SOLUTION: Batman and robin can clean up all the crime in 8 hours working together. if robin takes 15 hours to do it alone and starts at noon, what time does batman have to start so that they

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Batman and robin can clean up all the crime in 8 hours working together. if robin takes 15 hours to do it alone and starts at noon, what time does batman have to start so that they      Log On


   

Question 901807: Batman and robin can clean up all the crime in 8 hours working together. if robin takes 15 hours to do it alone and starts at noon, what time does batman have to start so that they finish at the same time.
So far I got t/15+(t+2)/x=12 I worked this out and got 2:15pm I don't think that is right and i'm confused on how to do this any help would be appreciated

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
If they are working together they will finish together in 8 hours!
They'll be done at 8 pm!