SOLUTION: Suppose that it takes 9 hours for four workers to roof a house. If the time required to do the job
varies inversely as the number of people working on it, how long does it take fo
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Question 968541: Suppose that it takes 9 hours for four workers to roof a house. If the time required to do the job
varies inversely as the number of people working on it, how long does it take for five workers to finish a
roof of the same size?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Suppose that it takes 9 hours for four workers to roof a house.
If the time required to do the job varies inversely as the number of people working on it, how long does it take for five workers to finish a
roof of the same size?
:
let t = time required by 5 men to do the job
An inverse relationship
=
Cross multiply
5t = 36
t = 36/5
t = 7.2 hrs fro 5 men to do the job
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