Asked by Anonymous
it takes 7 men 10 days to build a garage.Halfway through building the garage they get some help from 3 people and continue to work at the same rate
a)How long will it take to finish of the garage
b)How long did it take
a)How long will it take to finish of the garage
b)How long did it take
Answers
Answered by
Rich
7*10 man days
After 5 days or 35 man days
there are now 10 men to do 35 man days of work
35/10=3.5 days to finish the work for a total of 8.5 days
After 5 days or 35 man days
there are now 10 men to do 35 man days of work
35/10=3.5 days to finish the work for a total of 8.5 days
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