apple= x-24
banana= x
7x=10(x-24)
7x=10x-240
-3x=-240
x=80calories per banana
check:
7(80)=10(80-24)
560=560
An apple has 24 fewer calories than a banana. If 7 bananas have the same number of calories as 10 apples, how many calories are in the banana?
2 answers
Thanks