If it costs 50 cents ($0.50) per square foot to paint ceiling, calculate the total cost to paint the following: 1 room 21`X 25` 1 room 18`X 18` 3 rooms 12`X 15` a garage that measures 23` X 28`. What is the cost to paint the room ?

If it costs 50 cents ($0.50) per square foot to paint ceiling, calculate the total cost to paint the following: 1 room 21`X 25` 1 room 18`X 18` 3 rooms 12`X 15` a garage that measures 23` X 28`. What is the cost to paint the room ?