document.write( "Question 203159: If Steven can mix 20 drinks in 5 minutes, Sue can mix 20 drinks in 10 minutes, and Jake can mix 20 drinks in 15 minutes, how much time will it take all 3 of them to mix 20 drinks if they work together? \n" ); document.write( "
Algebra.Com's Answer #153312 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
I coverted to the number of drinks per minute for each then solved.
\n" ); document.write( "Steve=.25 per minute
\n" ); document.write( "Sue=2 per minute
\n" ); document.write( "Jake=1.3333 per minute
\n" ); document.write( ".25x+2x+1.3333x=20
\n" ); document.write( "3.58333x=20
\n" ); document.write( "x=6 minutes for 20 drinks
\n" ); document.write( "
\n" );