yenirey yenirey
  • 20-09-2016
  • Mathematics
contestada

An orange has 20 fewer calories than a bannana. if 7 bananas have the same number of calories as 9 orange, how many calories are in a bannana?

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keikoelise
keikoelise keikoelise
  • 20-09-2016
7x=9(x-20)
7x=9x-180
2x=180
x=90
90 calories per banana
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