SOLUTION: If 3/4 of reserve can be mowed by 4 council workers in 5 hours, what fraction of the reserve can be mowed by 3 workers in 4 hours,assuming they all work at the same rate.

Question 945775: If 3/4 of reserve can be mowed by 4 council workers in 5 hours, what fraction of the reserve can be mowed by 3 workers in 4 hours,assuming they all work at the same rate.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Uniform work rates,
RT=J rate time job.
Think of amount of job as how much reserve.

First part means , which gives r, the work rate of any 1 worker.

, one worker.

The part for the question, how much of the reserve:
, using j for how much of the reserve.
Simplify.

Understand that the number of workers multiplied by the rate of 1 worker gives the rate of work for that number of workers together.
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