SOLUTION: It takes 2 hours for 7 cooks to make the dinner for a wedding party. How long would it take 3 cooks to do the same thing?

Question 849600: It takes 2 hours for 7 cooks to make the dinner for a wedding party. How long would it take 3 cooks to do the same thing?
Found 2 solutions by josgarithmetic, ewatrrr:
Answer by josgarithmetic(39616) (Show Source): You can put this solution on YOUR website!
Find the one-cook rate. Seven cooks do the job in 2 hours, so only one cook needs 7 times longer; or hours.

r*t=j for rate, time, job.
One cook, 1/14 jobs per hour.
Three cooks, 3/14 jobs per hour.
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Let t = time in hours to do this one job.

Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

Hi
It takes 2 hours for 7 cooks
Let x represent How long would it take 3 cooks

x = 14/3 hr 0r 4 ²⁄₃ hrs
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