An orange has 20 fewer calories than a banana. If 7 bananas have the same number of calories as 9 oranges how many calories are
in a banana?
1 answer:
7B = 9B - 180
REARRANGE THE VARIABLE ON ONE SIDE AND NUMBER ON THE OTHER SIDE.
we get,
180 = 9B -7B
180 = 2B
therefore B = 180/2
= 90 CALORIES IS THE ANSWER
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