Eric, Juan, and Martina sold items for a fundraiser. They sold cookies, candy, and cupcakes. The table below gives the number of boxes of each item sold by each
person. They didn't sell any other items.
Number of boxes sold
Cookies Candy Cupcakes
Eric
4
3
2
Juan
4
8
5
Martina 2 5 4
If Eric sold $37 in total, Juan sold $71, and Martina sold $45, what is the cost for a box of each item?
Cost for a box of cookies: s
Cost for a box of candy: s
Cost for a box of cupcakes: s