document.write( "Question 40723: A tank can be filled in 18 hours by Pipe A or 24 hours by Pipe B. How long would it take both pipes to fill the tank?
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document.write( "_____hours
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document.write( "It takes Sarah 8 hours to fill a Widget. Jerry can do the same job in 12 hours. How long would it take them to assemble a Widget if they worked together?
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document.write( "_______hours.
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Algebra.Com's Answer #26114 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! (24*18)/(24+18)=432/42 OR 10.3 HOURS\r \n" ); document.write( "\n" ); document.write( "(8*12)/(8+12) OR 96/20=4.8 \n" ); document.write( " |