document.write( "Question 469653: can someone help me pls?\r
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\n" ); document.write( "\n" ); document.write( "A swimming pool can be filled in 15 hr by pipe A alone and in 24 hr by pipe B alone. How long would it take to fill the pool if both pipes were working? \n" ); document.write( "

Algebra.Com's Answer #322204 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "Let x represent time it would take to fill the pool if both pipes were working
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document.write( "Question states*** Per hour the Equalizer
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document.write( " 1/15 + 1/24 = 1/x  |Mulitplying thru by 15*24*x so as all denominators = 1
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document.write( " 24x + 15x = 15*24
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document.write( "    39x = 360
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document.write( "      x = 360/39 = 120/13 = 9.23 hr \n" );
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