Question

Leo consumes only apples and bananas. He prefers more apples tofewer, but he gets tired of bananas. If he consumes fewer than 24bananas per week, he thinks that 1 banana is a perfect substitutefor 1 apple. But you would have to pay him 1 apple for each bananabeyond 24 that he consumes. The indifference curve that passesthrough the consumption bundle with 31 apples and 36 bananas alsopasses through the bundle with A apples and 18 bananas, where Aequals

a)29
b)23
c)31
d)25
e)none of the above