document.write( "Question 49855: Bo and Sue make 20 drinks in 5 minutes. Sue can make 20 in 10 minutes. Joe can make 20 in fifteen minutes, if they work together how long will it take? \n" ); document.write( "
Algebra.Com's Answer #33118 by stanbon(75887) ![]() You can put this solution on YOUR website! Joe and Sue make 20 drinks in 5 minutes. Sue can make 20 in 10 minutes. Joe can make 20 in fifteen minutes, if they work together how long will it take? \n" ); document.write( "---------------------------------- \n" ); document.write( "Sue DATA: \n" ); document.write( "Time to make 20= 10 min ; Rate = (1/10) job/min\r \n" ); document.write( "\n" ); document.write( "Joe DATA: \n" ); document.write( "Time to make 20= 15 min ; Rate = (1/15) job/min\r \n" ); document.write( "\n" ); document.write( "Together DATA: \n" ); document.write( "Time to make 20= x min : Rate = (1/x) job/min\r \n" ); document.write( "\n" ); document.write( "EQUATION: \n" ); document.write( "rate + rate = rate together \n" ); document.write( "1/10 + 1/15 = 1/x \n" ); document.write( "25/150=1/x \n" ); document.write( "25x=150 \n" ); document.write( "x=6 minutes (amount of time required working together)\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |