document.write( "Question 417315: A machine can fill 1000 cases of soda cans in 3 hours. A second machine requires 5 hours to fill the same amount. How long will if take both machines together to fill an order of 5000 cases? \n" ); document.write( "
Algebra.Com's Answer #292395 by scott8148(6628)\"\" \"About 
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the first machine fills 1000/3 cases per hour\r
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\n" ); document.write( "\n" ); document.write( "the second machine fills 1000/5 cases per hour ___ or 200 or 600/3\r
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\n" ); document.write( "\n" ); document.write( "together the machines fill 1600/3 cases per hour\r
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\n" ); document.write( "\n" ); document.write( "so it takes 5000/(1600/3) hours to fill 5000 cases\r
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\n" ); document.write( "\n" ); document.write( "15000/1600 = 75/8 or 9.375 hr
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