JJ joins a fresh food delivery service where he gets a box of fresh fruits delivered at home. The service costs 30$ to join,and each box costs 10$. Let E represent the food expense related to this service and let B represent the number of boxes be purchased.

JJ joins a fresh food delivery service where he gets a box of fresh fruits delivered at home The service costs 30 to joinand each box costs 10 Let E represent t class=