SOLUTION: 1) Solve the following problem: It takes Fred 6 hours to do a job. If he works with Sarah to do the same job it takes 2 hours. How long would it take Sarah working alone?
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-> SOLUTION: 1) Solve the following problem: It takes Fred 6 hours to do a job. If he works with Sarah to do the same job it takes 2 hours. How long would it take Sarah working alone?
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Question 286536: 1) Solve the following problem: It takes Fred 6 hours to do a job. If he works with Sarah to do the same job it takes 2 hours. How long would it take Sarah working alone?
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2/6+2/x=1
1/3+2/3=1
x=3 hours alone
Fred does 1/3 and Sarah does 2/3 of the job
