SOLUTION: How many 9-inch-square floor tiles are needed to cover a rectangular floor that measures 12 feet by 15 feet?

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Question 152972This question is from textbook
: How many 9-inch-square floor tiles are needed to cover a rectangular floor that measures 12 feet by 15 feet? This question is from textbook

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
9*9=81 in^2 Area of a tile
12*12=144"
15*12=180"
144*180=25920 in^2 Area of the floor
25920/81
=320 tiles
.
Ed