SOLUTION: 6 men can complete the electric fitting in a building in 7 days. how many days will it take 21 men to do the job?
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You can put this solution on YOUR website! 6 men can complete the electric fitting in a building in 7 days.
Find how many man-days required to complete the job
6 * 7 = 42 man-days
:
how many days will it take 21 men to do the job?
let d = no. days required by 21 men to complete the job
21d = 42
d = 42/21
d = 2 days
