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sdas [7]
3 years ago
13

One pump fills a tank 3 times as fast as another pump. If the pumps work​ together, they fill the tank in 12 minutes. How long d

oes it take for the faster pump to fill the​ tank?
Mathematics
1 answer:
antiseptic1488 [7]3 years ago
3 0
Well I think in 4 mins because the faster pump pumped 3 times faster and they fill the tank in 12 mins so yea cause 12 divided by 3 but not 100% sure I'm using mental math
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Explain how you would estimate to subtract 189 from 643
Dima020 [189]
I would just round up to 200 and then subtract twelve or just subtract 200 what ever way u prefer. 
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3 years ago
Please explain your answer as well. Thx!!!
dimulka [17.4K]

Answer:

e^2

Step-by-step explanation:

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