High School Math

MISSION STATEMENT: To encourage and promote a greater use of the internet and computer technology in the math classroom. For educators, students, parents and homeschoolers.

Wednesday, August 24, 2005

The Vat

A vat has three pipes connected to it.
The first pipe can fill the vat in 6 hours.
The second pipe can fill the vat in 4 hours.
The third pipe is for drainage and can empty the vat in 12 hours.
If all three pipes are working at full capacity,
how many hours will it take to fill the vat?

Please leave your complete solution as a comment here.
Everyone with the correct answer will be allowed to
print themselves a COOL DUDE certificate! Wow!

You can put a challenge question like this one on your school website.
It is free, changed frequently, and will add interest
and a reason to go to the school website more often.
This can be done by simply adding just one line of code.
For complete instructions,
Click     www.TheMathWebSite.com     and go there directly.