student02 student02

25-02-2016
Mathematics

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80% of _ games is 32 games AND 75% of peaches is 15 peaches

Respuesta :

25-02-2016

Hi there!

80% of 40 games is 32 games AND 75% of 20 peaches is 15 peaches.

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25-02-2016

1) 80% of x is 32
80/100=32/x
0.8= 32/x
0.8x=32
x=32/0.8
x=40
2) 75% of x is 15
75/100=15/x
0.75=15/x
0.75x=15
x=15/0.75
x=20
:)

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