SOLUTION: If 2 men can plow 6 acres of land in 4 hours, how many men are needed to plow 18 acres in 8 hours?

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Question 950828: If 2 men can plow 6 acres of land in 4 hours, how many men are needed to plow 18 acres in 8 hours?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Rate R, time, T, acres J.
RT=J

r, the rate for 1 man as ACRES per HOUR.
n, how many men

system%282r%2A4=6%2Cnr%2A8=18%29
Solve for n.