SOLUTION: 15 workers can build a wall in 48 hours . how many workers will be required to do the same work in 30 hours

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Question 859751: 15 workers can build a wall in 48 hours . how many workers will be required to do the same work in 30 hours
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
15 workers can build a wall in 48 hours.
15 * 48 = 720 man-hrs required to complete the wall
:
how many workers will be required to do the same work in 30 hours
let m = no. of men required
30m = 720
m = 720/30
m = 24 men