SOLUTION: seven people need 90 days t repair and paint a heritage building .if the job should be comleted in 15 days, how many more people need to be employed?

Question 1082701: seven people need 90 days t repair and paint a heritage building .if the job should be comleted in 15 days, how many more people need to be employed?
Found 2 solutions by ikleyn, addingup:
Answer by ikleyn(52780) (Show Source): You can put this solution on YOUR website!
.

7 <---> 90 means 7*6 = 42 <---> 15. 42 - 7 = 35. 35 more people need to be employed in addition to 7.

Answer by addingup(3677) (Show Source): You can put this solution on YOUR website!
7*90 = 630 man-days
630/15 = 42 men
RELATED QUESTIONS
It took 6 people to paint several offices in 5 days. How many more people need to be... (answered by josgarithmetic,greenestamps,ikleyn,jayesh.nandhu)
A painter can paint a building in 15 days and a coworker can do the same job in 10 days.... (answered by josgarithmetic,josmiceli,ikleyn)
A painter can paint a building in 15 days and a co-worker can do the same job in 10 days. (answered by ikleyn)
A painter can paint a building in 15 days and a co worker can do the same job in 10 days. (answered by josgarithmetic,ikleyn)
A group of 18 people can paint a house in 21 days. If the house needs to be painted in... (answered by lwsshak3)
1.'A' works twice as fast as 'B'. If both of them together take 6 days to complete the... (answered by josmiceli,vvnrichards)
It took two people to complete carpeting in 10 days. How many more carpenters need to be... (answered by ikleyn)
If it takes 64 men 15 days to complete a job, how many more men would be required to... (answered by Alan3354,richwmiller)
if 3 men can repair the house in 20 days,how many days can 5 men do the same... (answered by ankor@dixie-net.com)