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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
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May 23, 2018
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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.
Mathematics
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Donelle
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Donelle
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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
Mark Stephens
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May 29, 2018
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Mark Stephens
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