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suter [353]
3 years ago
5

What is the answer to twenty one tenths subtracting nine fifths

Mathematics
1 answer:
Sauron [17]3 years ago
7 0
2 2/5 idk how you do it in your school but that js how i do it
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I am not sure, but this is what I got:
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Hose ALONE in 1 hour = 1/25 of the pool 

TOGETHER in 1 HOUR = 1/18 +1/25 = 43/450 

TOGETHER they will fill the pool in 450/43 hours 

So 5/6 of the pool will take 5/6 X 450/43 = 2250/ 258 = 8.7209302 hours OR 

8 hours AND 43.26 minutes ANSWER
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Hope this helps!


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