Posted by jenny on .
A cleaner charges $0.50 per square foot to polish wood floors. A school hall has an area of 30 feet by 50 feet. What would be the total cost to polish the floor of the school hall?
A.$80
B.$375
C.$750
D.$1,500
What is the answer?

math 
Ms. Sue,
30 * 50 * 0.5 = ?