Cherie is laying square tiles on her square kitchen floor. she buys the tiles for $2 per square foot tile. if her total estimated cost for the tiles is $288, what is the length of her floor in feet?

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Given:

Price = 2$ per square foot

Total price = $288

Find:

The length of the floor in feet.

Solution

Squares have sides of equal length.  The solution for the area of a square is:

Area = x2

where x is the side length.

If each square foot is $2 and the total is $288, we divide 288 by 2 to find out how many square feet the floor has.

$288 / ($2 per square foot) = 144 square feet

Take the square-root of this value to get the length of the floor.

x = √144

x = 12

Therefore, the length of the floor is 12 feet.

throw the computer

step-by-step explanation: