Question

One faucet fills up a bathtub in 15 minutes while the second fills it up in 10 minutes. If both faucets are turned on, what fraction of the bathtub will be filled ...

Chapter Reference


in 5 minutes?
Explain!

Answer 1

Find each faucet's filling rate...

The first is 1/15 and the second is 1/10

So if they are both on for 5 minutes you get:

5/15+5/10

10/30+15/30

25/30

5/6 The tub is 5/6 full after 5 minutes.