Parents plan to ship some items to their child who is attending college out of town. The student definitely needs towels, which weigh 9 pounds. The cost is $45 to ship up to 15 pounds.
a. Write and solve an inequality that represents how many pounds the parents can add to the shipment
without having to pay additional shipping costs.
b. The parents want to ship another item in addition to the towels. Which of the following items can they
send without paying extra shipping?
Item
Weight (pounds)
boots
9
tennis rackets
5
dishes
18
soccer equipment
14
c. The student decides that the tennis rackets and the towels are needed. How does this affect the inequality
in part (a)?