Malia received a $300.00 gift certificate for Christmas to a local sporting goods store. Malia wants to buy a pair of basketball shoes that cost $150.00, She wants to spend the rest on various training shirts that are on sale for $12.50 each. What is the maximum number of training shirts she can buy?

a) Write the above word problem as a single variable linear inequality.

b) Use the inequality from part "a" to determine the maximum training shirts she can buy.