Question

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
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

Related Questions

I want a rectanglular pen with area = 50 square feet and to save on fencing I will build it next to... The garage you work for as an auto mechanic measures 230 ft. by 150 ft and handles 69 cars. Using th... Patty wants to use at most 6 gallons of paint to cover her house and garage. The house takes 5 times... Arthur and Tariq are planning to build a kit car. They are also having a new garage built for the ca...