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mardiscua mardiscua
  • 13-01-2017
  • Mathematics
Answered

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.

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 13-01-2017

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

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