Ethan installs tiles on the floor of a room with a lenght 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

Respuesta :

14 • 12 = 168
168 ÷ 9 = 18.6666 (repeating decimal)
About 18 minutes per tile.