document.write( "Question 904927: Solution and Answer please, Thank you!\r
\n" ); document.write( "\n" ); document.write( "- How long will it take to fill a reservoir with intake pipes A and B, if the reservoir can filled by A alone in 5 days and by B alone in 3 days. \n" ); document.write( "
Algebra.Com's Answer #548940 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
1/a+1/b=1/x
\n" ); document.write( "1/3+1/5=1/x
\n" ); document.write( "5/15+3/15=1/x
\n" ); document.write( "8/15=1/x
\n" ); document.write( "x=15/8
\n" ); document.write( "x=1.875 days working together
\n" ); document.write( "check
\n" ); document.write( "1/a+1/b=1/x
\n" ); document.write( "1/3+1/5=1/x
\n" ); document.write( "5/15+3/15=1/x
\n" ); document.write( "8/15=1/x
\n" ); document.write( "15/8=x
\n" ); document.write( "x=1.875 days working together
\n" ); document.write( "ok\r
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