Save Submit Melanie and Joseph are raising money for their class trip to the zoo. They each need $30 to pay for the trip and are selling boxes of cookies for $4 each to earn the money. Joseph has sold 5 boxes and Melanie has sold 3 boxes. How much more money does Melanie need than Joseph? A) $10 B) $12 $18 DY $8
Joseph -------> has sold 5 boxes
5*($4)=$20 --------> need 30-20=$10
Melanie -------> has sold 3 boxes
3*($4)=$12 ------> need 30-12=$18
therefore
18-10=$8
answer is $8