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  • 11-01-2015
  • Mathematics
Answered

Patio bricks come in a square size, 5 inches on a side. To make a patio 5 ft. by 10 ft. wide, how many bricks do you need?

Verified Answer :

konrad509
konrad509 konrad509
  • 11-01-2015

\(5\cdot10=50 \text{ ft}^2=7200\text{ in}^2\) <-- the surface area of a patio
\(5^2=25 \text{ in}^2\) <-- the surface area of a brick

\(7200\div25=288\)

You need 288 bricks.



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