Question

3 pumps can fill a drum in 50 minutes. How much less time will require to fill the
drum if 2 more pumps are added.
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Answer 1

Answer:

20 minutes

Step-by-step explanation:

three pump can fill a drum in 50 minutes

so one pump can feel a drum in 50*3

if two more pumps are added the total number of pumpkin are gonna be (3+2)or 5

then 5:00 pump can fill a drum in (50*3)/5=150/5=30

then the answer is 50-30=20minutes