Algebra Practice Quiz 8

Multiple Choice Questions. Click on the correct answer.

Problem 17


17. Pipe A can fill a pool in ten hours and pipe B can fill the same pool in 15 hours. How long will it take to fill half the pool if both pipes are used?
    (a)
    6 hours.
    (b)
    3 hours.
    (c)
    15 hours.
    (d)
    10 hours.
    (e)
    none of the these.


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