A bowling center charges $4.00 fee to rent a pair of bowling shoes and $2.50 for each game bowled.

Write an equation to describe the functional relationship between c, the total cost, and g the number of games bowled.

A parking lot near Minute Maid Park in downtown Houston, Texas charges $7.00 for the first hour and $4.00 for each additional hour.

Write an equation to show the relationship between c, the total cost, and h, the number of hours parked in the parking lot.

The student council will sell t-shirts to raise money. The cost includes a one-time design fee of $60 and then $4.00 per shirt.

Write an equation that can be used to find the number of shirts, n, they must sell to make $500.