Math, asked by javedzakariya, 1 month ago

A tank can be filled by a big pump in 20 hours and by a small pump in 80 hours. How long will it take to fill the tank by both pumps together?​

Answers

Answered by ish01234277
0

Answer:

100 hours

Step-by-step explanation:

80+20 hrs.=100 hrs

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