SOLUTION: How do i set up the problem: To fill a pool with two pipes (one large cold water pipe, and one smaller hot water pipe) it takes two hours. If the larger cold water pipe is the o

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Question 670094: How do i set up the problem:
To fill a pool with two pipes (one large cold water pipe, and one smaller hot water pipe) it takes two hours. If the larger cold water pipe is the only on being used it takes 3 hours. How long will it take to fill the pool if using only the hot water pipe?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

To fill a pool with two pipes (one large cold water pipe, and one smaller hot water pipe) it takes two hours.

If the larger cold water pipe is the only on being used it takes 3 hours. 

How long highlight%28x%29will it take to fill the pool if using only the hot water pipe?

Translate into an equation: PER hr KEY

 1%2F3+%2B+1%2Fx+=+1%2F2    |Multiplying thru by 6x so as all denominators = 1

  2x + 6 = 3x

       6hr = x