Question

Ethan installs tiles on the floor of a room with a length of 14 feet and a width of 12 feet. It takes 9 hours to install the tiles in the room.

What is the average speed at which Ethan can install the tiles? Round to the nearest tenth.

Answer 1

find total area
area=14 ties 12=168 ft^2
9 hours

168/9=56/3=18.6666666 ft^2 per hour

round
18.7 ft^2 per hour