please answer............
Attachments:

Answers
Answered by
0
20 pumps--7 days
1 day--20×7pumps
5 days--(20×7)÷5pumps=28 pumps
Hence 8 more pump is the required answer
1 day--20×7pumps
5 days--(20×7)÷5pumps=28 pumps
Hence 8 more pump is the required answer
Similar questions