SOLUTION: if 12men can dig a pit in 5days. how many more men do you require to do the same work in three days?

Question 972999: if 12men can dig a pit in 5days. how many more men do you require to do the same work in three days?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

I already did this one: Question 972997

12 can do the job in 5 days.

12 can do 1/5 of the job in 1 day.

1 can do 1/5 times 1/12 or 1/60 of the job in 1 day

1 can do 3 times 1/60 or 1/20 of the job in 3 days.

So 20 can do the whole job in 3 days.

John

My calculator said it, I believe it, that settles it
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