SOLUTION: If 10 people can construct 20 houses in 30 days, how long it will take for 5 people to construct 10 houses ?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: If 10 people can construct 20 houses in 30 days, how long it will take for 5 people to construct 10 houses ?       Log On


   

Question 925137: If 10 people can construct 20 houses in 30 days, how long it will take for 5 people to construct 10 houses ?
Answer by TimothyLamb(4379) About Me  (Show Source):
You can put this solution on YOUR website!
r = houses/(people*time)
r = 20/(10*30) = 10/(5*time)
20/(10*30) = 10/(5*time)
5*20/(10*30)/10 = 1/time
time = 1/( 5*20/(10*30)/10 )
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answer:
time = 30 days
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