Amy876
5/8c = 20
a. 34
b. 32
c. 32
d. 34



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ajprincess
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1.Multiply both sides by 8
2.divide by 5 both sides

Amy876
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That doesn't work

ajprincess
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dw:1347991198303:dwdw:1347991271931:dw

livelaughlilz
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This is a proportion. 5/8c = 20/1
To solve a proportion, cross multiply
20(8c) = 5(1)
160c = 5
Then divide both sides by 160
c = 5/160
c = 1/32

Amy876
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Ok which is it 32 or 32??

ajprincess
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what do u think?

ajprincess
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32 or 32?

livelaughlilz
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check both of them in the original equation

Amy876
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with 32 I got 20 and with 32 it was WAY off, I'm confused now....

livelaughlilz
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i already said it's 1/32

livelaughlilz
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This is a proportion. 5/8c = 20/1
To solve a proportion, cross multiply
20(8c) = 5(1)
160c = 5
Then divide both sides by 160
c = 5/160
c = 1/32

Amy876
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1/32 is NOT an option

ajprincess
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dw:1347991694227:dw
Decide nw.


Amy876
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It was 32
Thanks AJ Princess! <3

ajprincess
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yw.:)