document.write( "Question 135070: If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jack can mix 20 drinks in 15 minutes, how much time will it take all 3 of them working together to mix the 20 drinks? \n" ); document.write( "
Algebra.Com's Answer #98912 by solver91311(24713)![]() ![]() You can put this solution on YOUR website! Steve: 20 drinks in 5 minutes => \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Sue: 20 drinks in 10 minutes => 2 drinks per minute\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Jack 20 drinks in 15 minutes => 4/3 drinks per minute\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Together they mix 4 + 2 + 4/3 = 12/3 + 6/3 + 4/3 = 22/3 drinks per minute\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |