SOLUTION: If 12 carpenters can construct 3 homes in 20 days, how many days will it take 10 carpenters to construct 4 homes?
(1) 29 (2) 30 (3) 31 (4) 32 (5) None of the above
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Question 289045: If 12 carpenters can construct 3 homes in 20 days, how many days will it take 10 carpenters to construct 4 homes?
(1) 29 (2) 30 (3) 31 (4) 32 (5) None of the above
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
If 12 carpenters can construct 3 homes in 20 days,
how many days will it take 10 carpenters to construct 4 homes?
:
Find the number of man-days to construct 3 homes
12 * 20 = 240 man-days
:
Find the number of days to construct 1 home
= 80 man-days
:
Let d = no. of days for 10 to build 4
:
10d = 4(80)
10d = 320
d =
d = 32 days for 10 men to build 4 homes
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