Question

Seven pipes empty a water tank in five days. In how many days would four pipes empty this tank? Give your answer in days and hours.

Answer 1

Answer:
8.75 days
Explanation:
7/4=1.75
1.75*5=8.75

Answer 2

7:5 equals 1.4, so we need to multiply 1.4 and 4 and we get 5.6. The answer is 5.6