SOLUTION: It takes 4 people 3 days to dig a small field how long would it take 3 people to do the same work.

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Question 721554: It takes 4 people 3 days to dig a small field how long would it take 3 people to do the same work.
Answer by josgarithmetic(39613) About Me  (Show Source):
You can put this solution on YOUR website!
First find the rate at which one person does the job. Once found, multiply by 3. Use rate in the form of jobs/time.

Letting r = rate of a single worker,
4r = the rate for the four people working together, 1 job in 3 days, or 1/3 jobs/day.

4r=1%2F3
r=1%2F12, jobs per day, FOR ONE PERSON DOING THE WORK ALONE.
...
Finish it!