Kumiko has a $50 gift card for a Web site that sells apps and games. Games cost $2.50 each, and apps cost $1.25 each. a. Write an inequality that represents the number of apps a and the number of games g that Kumiko can buy and describe any constraints.
b. Graph the solution of the inequality on a coordinate plane.
c. Use your graph to find three different combinations of apps and games that Kumiko can buy.
d. Kumiko decides to buy the same number of apps and games, and she decides to spend as much of the $50 as possible. How many apps and games does she buy? How much money does she have left on her gift card?