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.
1 answer:
50 sqft = 45 min
495 sqft = x min
495/50 is 9.9. So we know we multiplied 50 by 9.9 to change it to 495.
Do the same on the other side. 45 x 9.9 = 445.5.
It will take him 445.5 minutes, or 7.425 hours
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