Question

A tile store charges $607.50 to install 135 square feet of tile. Assuming they charge the same rate

per square foot regardless of the amount of tile installed, how much would they charge to install
840 square feet of tile?
Translate to a proportion:
square feet
square feet
They would charge
to install 840 square feet of tile.
The unit price for installation per square foot of tile is

Answer 1

the tile is 4.50 per square foot to install

it will cost 3780.00 to install 840 square feet

Explanation:

divide 607.50 by 135 to find out the price per square foot to install

multiply the price per square foot by the number of square feet you are installing so 4.50 X 840