asked 173k views
4 votes
Can someone explain me how i do this thing ?

a tap A fills a tank in 5 hours, a
tap B fills the same tank in 10 hours.
Which of the alternatives below best represents the
time spent, if both taps are open simultaneously filling the same tank?

1 Answer

0 votes

Answer:

between 3 and 4 hours

Explanation:

answered
User Rmickeyd
by
7.5k points
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