Write an algebraic expression that represents each purchase.
a. Ms. Jones bought x number of soccer balls and 3 baseballs.
b. Helena, Violet, and Kaneesha are on a baseball team. They each bought a baseball and x pairs of sweat socks.
12. Suppose x has the same value in both of the expressions you wrote for 11. Are the two expressions you wrote for 11 equivalent? Explain.
13. Sunil says that soccer balls 3 3/5 cost times as much as baseballs cost. Do you agree? Explain.