Tim installs 50 square feet of his floor in 45 minutes. At this rate, how long does it take him to install 495 square feet?

Answer 1

This is a proportion problem.

set up this equation. 50 sq ft/ 45 min = 495 sq ft/ x min

solve the proportion

Answer 2

After you have set up your proportion, you will then need to reduce the 50/45 to 10/9. Then you can cross multiply 9x495, then divide by 10.