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Math Help - Algebra 2: Work Problems

  1. #1
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    Algebra 2: Work Problems

    I'm having trouble with these two, I have no idea how to solve them. The work steps to finish and solution would be appreciated.
    1)Annie, Bertha, and Candice take 1 hour 20 minutes to do a job together. Candice takes 2 times longer than Annie to do the work alone and 2 hours longer than Bertha to work alone. Find their individual rate of work.
    2)Pipe A and Pipe B can fill a pool together in 24 hours. Pipe A takes 20 more hours than Pipe B. Find how long each of the pipes if they fill the pool seperately.

    Much help is appreciated.
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  2. #2
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    Re: Algebra 2: Work Problems

    let x = pipe B fill time
    then A = x+20
    1/x + 1/x+20 = 1/24
    solve the quadratic equation for x
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