SOLUTION: 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 i
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? Found 2 solutions by rfer, MathTherapy:Answer by rfer(16322) (Show Source):
You can put this solution on YOUR website! I coverted to the number of drinks per minute for each then solved.
Steve=.25 per minute
Sue=2 per minute
Jake=1.3333 per minute
.25x+2x+1.3333x=20
3.58333x=20
x=6 minutes for 20 drinks