document.write( "Question 1206761: If 18 pumps can raise 2170 tonnes of water in 10 days, working 7 hours a day; in how many days will 16 pumps raise 1736 tonnes of water, working 9 hours a day?
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Algebra.Com's Answer #844384 by ikleyn(52754) $\"\"$ $\"About$

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\n" ); document.write( "If 18 pumps can raise 2170 tons of water in 10 days, working 7 hours a day;
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document.write( "Raising 2170 tons of water requires  18*10*7 = 1260 pump-hours.\r\n" );
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document.write( "So, the rate is   =   tons of water per one pump-hour.\r\n" );
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document.write( "To raise 1736 tons of water, using 16 pumps working 9 hours a day,\r\n" );
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document.write( "     =  = 7 days is needed.\r\n" );
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\n" ); document.write( "\n" ); document.write( "To see many other similar (and different) problems, solved by the same method, look into the lesson\r
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\n" ); document.write( "\n" ); document.write( "It was written specially for you, to make your horizon WIDER.\r
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