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36/64

divide? ?

yes.

0.5625

36/64=9/16
B is the answer.

ok thx can u help me with a couple of more

20/12=5/3

@amirreza1870 is on the right track so far :)

Which ratio correctly compares 120 cm to 80 mm
A. 3 to 20 B.3 to 2 C.15 to 1 D.150 to 1

1200/80=120/8=15
c is correct.

1.2/18=x/27
x=(27*1.2)/18
x=1.8
D is true

Which value is equivalent to 15.2 %written as a decimal?
A. 0.0152 B. 0.152 C.15.2 D.1520.0

15.2/100=0.152
B is true

hmm... let's try reducing 68/100

68 divided by 4
---------------
100 divided by 4

should give us 17/25

I was thinking c cause 15% is $3 I believe

75% of a number is 120. What is 40% of the number?
A.36
B.64
C.138
D.225

:/ I'm stuck . It's been forever since I had that question

lol so u don't know it?

no sorry

this problem doesn't appear ever again in higher level math. It's all proofs.

so ur not gong to help me now ?!

can u do this one ? ^

by proportion the number of books he signed for = 14 / 0.35

(35% = 0.35)

just gran your calculator and work out 14 divided by 0.35

* grab!

-_-. I actually got the previous question.. must be my sleep depriving mode

lol it happens

40 books

ok theres 6 more QS..do u mind helping

I could try... I haven't been sleeping well in weeks.

36 is incorrect let me explain

told you it's sleep issues and I haven't done these in ages. >_<

so when I was rechecking, I had this odd number that didn't fit, so there must be another method.

\[\frac{ 75 }{ 100}*160=120\] so we use 160 and find 40% of it \[\frac{ 40 }{ 100 }*160=64\]

where did you get 160?

oh x.x misread the question
75% of a number is 120.
0.75 x n = 120

then divide 0.75 for 160

\[\frac{ 100 }{ 75 }*120=160\]

then 160 x 0.40 = 64

accidentally overlooked the "a number" part. x(

try...
original price - sale price
to figure out the difference

I found the discount rate, but what I did... well I don't recommend it.. it's trial and error.

@UsukiDoll method is correct what answer u get? @Ddaddysgirl13

really?

I used logic a bit to get my rate XD

what is the answer?

the original price is 109 and the sale price is 100.28
what is 109-100.28 ?

then we can figure out whether or not our discount rate is big or small.

@Ddaddysgirl13 do u understand?

*should be big or small. omg I'm messing up at typing XD

ok since you inbox me saying yes do u have any more problems to work here?

ok my bad sorry

what is 7/100*139

first we have to have 7% in decimal form
7/100 = 0.07
then multiply 0.07 by 139

9.73

yes!

almost $10 in tax.. D: That's a plate lunch

so 4 more questions now?

the 9.73 would be the amount of tax on the desk ok

hey its izabellla ummm my password I kinda forgot it oops