SOLUTION: Candy and Tim share a paper route. It takes Candy 36 minutes to deliver all the papers, whereas Tim takes 72 minutes. How long does it take them when they work together?

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Question 563810: Candy and Tim share a paper route. It takes Candy 36 minutes to deliver all the papers, whereas Tim takes 72 minutes. How long does it take them when they work together?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Candy and Tim share a paper route. It takes Candy 36 minutes to deliver all the papers, whereas Tim takes 72 minutes. How long does it take them when they work together?
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Candy rate: 1/36 job/min
Tim rate::: 1/72 job/min
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Together rate:: 1/x job/min
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Equation:
rate + rate = together rate
1/36 + 1/72 = 1/x
2x + x = 72
3x = 72
x = 24 minutes (time for them to do the job together)
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Cheers,
Stan H.
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