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22-03-2017
Mathematics

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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 ...
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in 5 minutes?
Explain!

Respuesta :

22-03-2017

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.

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