student02
student02 student02
  • 25-02-2016
  • Mathematics
contestada

80% of _____ games is 32 games AND 75% of ____ peaches is 15 peaches

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Nouri
Nouri Nouri
  • 25-02-2016
Hi there!

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