document.write( "Question 610761: 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? \r
\n" ); document.write( "\n" ); document.write( "I keep doing 20/5+20/10+20/15=1/x\r
\n" ); document.write( "\n" ); document.write( "and cant seem to get there - what's wrong w/ my formula??\r
\n" ); document.write( "\n" ); document.write( "Thanks a million for your help :)
\n" ); document.write( "Trish
\n" ); document.write( "

Algebra.Com's Answer #384570 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
your equation calculates the time for the three of them to make one drink (1/x), try using 20/x \n" ); document.write( "
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