SOLUTION: If it takes three people 2 1/2 hours to paint a room how long will it take for 5 people to paint the room? Please explain

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Question 801692: If it takes three people 2 1/2 hours to paint a room how long will it take for 5 people to paint the room? Please explain
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
2.5 * 3 = 7.5 hrs it takes one man to do the job.
It takes 7.5 man-hrs to do the job.
5h=7.5
h=7.5/5
=1.5 hrs for 5 men to do the job.
.
Ed