***PLEASE HELP ASAPPPPPPPP, I WILL BECOME A FAN AND GIVE YOU A MEDAL***
This is from Algebra 2:
Brad can make 4 key chains in an hour. Velma can make only 3 key chains in an hour, but she already has 6 completed key chains. Explain to Brad how he can use a system of equations to determine when he will have the same number of key chains as Velma.

- anonymous

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- GreenCat

What's the hurry?

- anonymous

Due in 3 minutes but I can't figure out what to say.

- GreenCat

Is this a test?

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## More answers

- anonymous

No, worksheet

- GreenCat

hang on a sec. gtg for a moment

- anonymous

....................

- anonymous

well first Brad will have to determine the amount he has to chatch up to her them you can explian

- anonymous

yeah true

- GreenCat

make equations
B=4x
V=3x+6
x is hours

- anonymous

ok so my teacher gave me 2 extra mins. gotta hurry up

- GreenCat

just equate the 2 and solve for x

- anonymous

so basically i just need to plug all of this into words

- GreenCat

4x=3x+6
solve

- anonymous

subtract 6 on both sides then divide by 3

- GreenCat

nonono

- GreenCat

subtract 3x from both sides

- anonymous

yeah lol my bad

- anonymous

and then ivide

- GreenCat

it's faster

- anonymous

divide*

- anonymous

so basically what can i say

- GreenCat

first subract and we'll see

- anonymous

ok so
x = 6

- GreenCat

aaand no need to divide now

- anonymous

yeah ik

- anonymous

how can i explain how brad used system of equations

- anonymous

u there?

- GreenCat

The system of equations method is different.

- GreenCat

just google it. I'm sure purplemath can help

- anonymous

here is the other part

- GreenCat

You get the same answer.

- anonymous

Explain to Brad how he can use a system of equations to determine when he will have the same number of key chains as Velma.

- anonymous

hell no this isnt gonna help lmfao

- GreenCat

Write the 2 equations:
y=4x
y=3x+6

- GreenCat

Then see if you shuold subtract or add

- anonymous

yeah and we get 6

- GreenCat

Subtract:
y=4x
minus
y=3x-6

- GreenCat

no

- GreenCat

y=4x
-y=-x-6
and add those two
(I made the second one negative)

- anonymous

yeah

- GreenCat

|dw:1433363403662:dw| I did part of it

- GreenCat

now you do the rest. it's easy

- anonymous

dude.................................... y = 6...........................

- anonymous

x = 6

- anonymous

y=4x
y=3x+6
4x = 3x + 6
-3 -3
x = 6

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