20 pumps can empty a reservoir in 12 hours . In how many hours at the speed of 38 km/hr. By how much should it takes only 8 hours to complete the same distance.
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Answered by
0
Answer:
12/38=8/x
3/38=2/x
3x=76
x=25...
Step-by-step explanation:
Answered by
0
Answer:
20*12=8*x
20*12/8=(answer)x
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