document.write( "Question 817100: pipe 1 can fill a tank in 4 hours. pipes 1 and 2 together can fill it in 4 hrs. pipes 2 and 3 can fill it in 4hrs. how much time would pipe 2 alone and how much time would pipe 3 alone require to fill the tank \n" ); document.write( "

Algebra.Com's Answer #491888 by richwmiller(17219) $\"\"$ $\"About$

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pipe 1 can fill a tank in 4 hours.
\n" ); document.write( "pipes 1 and 2 together can fill it in 4 hrs.
\n" ); document.write( "It takes four hours with or without pipe 2
\n" ); document.write( "pipe 2 does no work
\n" ); document.write( "so pipe 3 can also do it in 4 hours
\n" ); document.write( " \n" ); document.write( "

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