Answer:
$0.78 per apple
Explanation:
First, find the price of the bag with the coupon:
9.33 - 2.31
= 7.02
Then, find the price per apple by dividing this by 9, since there are 9 apples in the bag:
7.02/9
= 0.78
So, with the coupon, the price per apple is $0.78