Question

A worker is tiling the floor of a rectangular room that is 12 x 15’. The tiles are squares with side length of one and 1 1/3 feet. How many tiles are needed to cover the entire floor?

Answer 1

102

Explanation:

A = L + B
Ar = 15 x 12
15 x 12 = 180 ft^2
1 1/3 = 4/3 feet
At = (4/3)^2
At = 16/9 ft^2

Number of tiles that are needed to cover the floor is

n= Ar
n= 180x9/16
n= 101.25
Approximately 102 tiles needed to cover the entire floor.
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