SOLUTION: It takes one man one day to dig a 2m x 2m x 2m hole. How many days will it take 3 men working at the same rate to dig a 4m x 4m x 4m hole?
(A)3/8 (B)2/3 (C)4/3 (D)3/2 (E)8/3
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Question 207039: It takes one man one day to dig a 2m x 2m x 2m hole. How many days will it take 3 men working at the same rate to dig a 4m x 4m x 4m hole?
(A)3/8 (B)2/3 (C)4/3 (D)3/2 (E)8/3
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
It takes one man one day to dig a 2m x 2m x 2m hole.
How many days will it take 3 men working at the same rate to dig a 4m x 4m x 4m hole?
:
From the 1st statement we can say:
1 man/day to dig a hole 2^3 = 8 cu meter hole
:
Let d = no. of days for 3 men to dig a 4^3 = 64 cu meter hole
3d =
3d = 8
d = days for 3 men to dig 4^3 cu/m hole
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