LEARNConcierge

AskQ logo

STUCK ON HOMEWORK?

ASK FOR HELP FROM OUR KIASUPARENTS.COM COMMUNITY!

Question

Tap P can fill a tank in 2hours while Tap Q can fill the same tank in 3hrs. Tap R can empty the same tank in 6hrs. All the taps are turned on at the same time.

(a) How long does it take to fill the tank completely?

(b) How long will it take to fill 3/4 of the tank?

 

Thanks!

LEARNConcierge