document.write( "Question 565902: in 2 min a belt moves 300 lbs. a smaller belt moves the same amount the same distance in 6 mins. if both belts r used how long will it take to move the cans?
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Algebra.Com's Answer #366009 by stanbon(75887) ![]() You can put this solution on YOUR website! in 2 min a belt moves 300 lbs. a smaller belt moves the same amount the same distance in 6 mins. if both belts r used how long will it take to move the cans? \n" ); document.write( "---- \n" ); document.write( "1st belt rate: 1/2 job/min \n" ); document.write( "2nd belt rate: 1/6 job/min \n" ); document.write( "--- \n" ); document.write( "Together rate: 1/x job/min \n" ); document.write( "================================= \n" ); document.write( "Equation: \n" ); document.write( "rate + rate = together rate \n" ); document.write( "1/2 + 1/6 = 1/x \n" ); document.write( "3x + x = 6 \n" ); document.write( "4x = 6 \n" ); document.write( "x = 1.5 min (time for the two belts together to move 300 lbs.) \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |