help123please.
See attachment. Help me please with any you understand.



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help123please.
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help123please.
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I know. You cannot help me with a whole work sheet. Sorry.

help123please.
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I'll delete.

Mertsj
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Well let's talk about the first one. If 8 quarts costs $5.44 how would you find the cost of 1 quart?

help123please.
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Oh, ok. U do 5.44/8

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0.68?

Mertsj
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dw:1359427317441:dw

Mertsj
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yep. .68

help123please.
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Do you know how to do the chart?

Mertsj
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For the skittles...if 20 ounces cost 3.79 how much does 1 ounce cost.
I think you do the chart by filling it in for the various products.

help123please.
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Um. I got a really long decimal for that one.

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0.1825

Mertsj
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It says you can complete the chart OR use a proportion.

Mertsj
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That would be 18 1/4 cents per ounce

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My teacher said she wanted both, but okay :)

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18 1/4? mk

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done.

Mertsj
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I'm not sure what she wants in the chart. Didn't she do an example in class?

help123please.
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no. ;/ Ill ask tomorrow; thats ok.

Mertsj
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ok

help123please.
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we can do the proportion part for now.

Mertsj
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ok. Do you know how to do those?

help123please.
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i think, but for the spring water one i get a long decimal

Mertsj
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Yes. It comes out to be .119166666 I think I would round that to $.12 per bottle

help123please.
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oh,ok,tnx

Mertsj
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yw

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wanna help with the others? u don't have to if u don't want to

help123please.
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:0 99 smart score :0

Mertsj
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I can check your answers if you want.

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mk. let me work them out really quick

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hmm. i get a long decimal both ways.

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how do you decide what goes on the numerator/denominator?

Mertsj
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.239583333 rounds to how many cents per card?

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um.. .20?

Mertsj
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When it say per card or per bottle or per rose you know that goes on the bottom.

Mertsj
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.239 is more than 23 cents but less than 24 cents but it is closer to 24 cents.

help123please.
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oh; so \[\frac{ 5.75 }{ 24 }\]

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?

Mertsj
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Yes, for the valentine cards.

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oh, ok

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oh. let me see. so, 23 cents per card,yes?

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i mean dollars

Mertsj
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.239 is closer to .24 so round to .24 which is $.24 or 24 cents

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\[\frac{ 29.99 }{ 12 } = \frac{ ? }{ 1 } ?\]

Mertsj
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Yes.

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it is asking $ _____________ per card

Mertsj
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then put .24

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oh. zero dollars and 24 cents.ok

Mertsj
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yes

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I wrote it. Thanks.

Mertsj
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yw

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For the second one, can u look at the equation i typed

Mertsj
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That was the correct equation for the rose.

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great! let me work it out.

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2.49, yes?

Mertsj
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You seem to have a little trouble with the rounding. Did you get 2.499166666?

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yes sir.

Mertsj
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Is 2.499 closer to 2.49 or 2.50?

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2.50

Mertsj
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Then you should put 2.50 per rose

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Okay, sorry. I am not the best at math,

Mertsj
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Not a problem. You will learn.

help123please.
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thanks for helping me and putting up with me. give me a second to write that down

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Okedokey.

Mertsj
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ok

help123please.
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next is the better buy.

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let me attempt it.

Mertsj
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Yes, the hangers. ok

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so, A is .12.

Mertsj
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yes

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B is 0.149.

Mertsj
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yes

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C is .1325

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So Id guess A is the better buy?

Mertsj
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Clearly

help123please.
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ok. 1 sec

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done

Mertsj
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Good. Which is the better vitamin buy?

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let me see.

help123please.
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one minute.

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almost done

help123please.
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A is 0.03

Mertsj
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yes

help123please.
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B is 0.0299

Mertsj
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Yes. Which is a tiny bit cheaper than A

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Really?

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I would've thought A was the cheapest.

Mertsj
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.0299 is less than .0300

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nvm no

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its 1 dollar
b is just cents

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And c is....

help123please.
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0.0216, so C is the cheapest

Mertsj
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Yes. Very good.

help123please.
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thank you,sir

help123please.
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now,the next problem...ummm

help123please.
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Hmmm

Mertsj
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Yes. It gives you the time in hours and minutes and then it asks for miles per hour.

help123please.
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How much is 45 mins of an hour?

Mertsj
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How much of an hour is 15 minutes? (Think of the clock face...)

help123please.
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Hm.... One minute,

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3/4 of an hr

Mertsj
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Very good.

help123please.
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And 3/4 is 0.75

Mertsj
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yes

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\[\frac{ 0.75 }{ 2.25 } = \frac{ ? }{ 1}\]

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?

Mertsj
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Just a minute 3 hours and 45 minutes is 3.75 hours and you are trying to find miles per hour so hours should go on the bottom.

Mertsj
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And it's 225 miles NOT 2.25

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oh, yes, typo, i apologize.

Mertsj
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\[\frac{225miles}{3.75 hours}\]

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60 miles per hr?

Mertsj
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yes

help123please.
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great, tnx

help123please.
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now the map.

Mertsj
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yes

Mertsj
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centimeters PER mile

help123please.
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yes, so \[\frac{ miles }{ centimeters}\]

Mertsj
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The word after PER goes on the bottom

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oh ok. sorry, i get those mixed up/

Mertsj
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\[centimeters per mile = \frac{centimeters}{miles}\]

help123please.
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1.3 cm per one mile?

Mertsj
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Yes. Actually it is 1.333 which is 1 and 1/3. She might want the exact answer this time. You could put both perhaps.

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Oh,alright. Will do.

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one moment.

help123please.
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mk. now the other one.

help123please.
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it says to fill in the table.

Mertsj
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But first it wants to know how many miles PER gallon his car gets.

help123please.
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So, a multiple step problem. shall I attempt it?

Mertsj
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Just figure out first how many miles per gallon his car gets.

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let me try it really quick

help123please.
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hm...

Mertsj
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56 miles per 2 gallons

help123please.
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he gets 56 miles per gallpm

Mertsj
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No. He gets 56 miles on 2 gallons

help123please.
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oops. yes.
i did 168224

help123please.
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got 56

Mertsj
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Look at the first column of the table. It tells you that he goes 56 miles on 2 gallons of gas. How far would he go on 1 gallon of gas?

help123please.
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so, 56,112,168,224,280,356

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?

Mertsj
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\[\frac{56 miles}{2 gallons}=\frac{x miles}{1 gallon}\]

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so, 56,112,168,224,280,356
Could I fill that in?

help123please.
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Or no?

Mertsj
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Based on the table, how
many miles per gallon does Rolando's car get?

Mertsj
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That is the first question the problem asks. You need to answer it.