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nydimaria [60]
2 years ago
10

6 water pumps fill a water tank in 15 hours if they work

Mathematics
1 answer:
disa [49]2 years ago
5 0

Answer:

a) 12.5 hours and b) 4 water pumps

Step-by-step explanation:

a) If 6 wp is filled in 15 hours, then:

  5 wp is filled in X hours

X hours = (5*15)/6

X = 12.5 hours.

b) If 6 wp is filled in 15 hours, then:

      Ywp is filled in 9 hours

Ywp = (9*6)/15

Ywp = 3.6 aprox 4 water pumps

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