SOLUTION: if 15 men build a wall 35 m high in 14 day in how many day will 30 men build a smilar wall 20 m high

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Question 1000561: if 15 men build a wall 35 m high in 14 day in how many day will 30 men build a smilar wall 20 m high
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
r, the one-man rate

system%2815r%2A14=35%2C30r%2At=20%29
If you could setup that system on your own, you could already handle most of the solution. The rest is mostly arithmetic.