I would say A) is your answer.
This is my choice, so I might be wrong.
Glad I could help, and good luck!
Answer:
$40
Step-by-step explanation:
Trent contributes 5/(5+2) = 5/7 of the amount in his account. For an amount of $56, he must contribute ...
(5/7)×$56 = $40
Trent will have to put $40 into the account before he can buy a $56 skateboard.
Divide 3 1/2 by 7= 1/2 a cup per person