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oksian1 [2.3K]
3 years ago
10

Pump a can empty a pool in 20 hours and pump b can empty it in 24 hours. working together, how long

Mathematics
1 answer:
Umnica [9.8K]3 years ago
5 0
I would guess 4 hours in that case
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The scientific notation 2 x 10^-2 has what value?
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2 years ago
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