Answer: 2 buckets per hour.
Explanation:
Here is the completed question:
Saturday morning and Alexis has discovered he has a leak comin from the heater in the attic. Since plumbers charge extra to come out on weekends, Alexis is planning to use buckets to catch the drilling waster. He places a bucket under the drip and steps outside to walk the dog. In 12 mins the bucket is 2/5 of the way full. What is the unit rate at which the water is leaking in buckets per hour?
Since the bucket is 2/5 full in 12 minutes, we have to calculate how the capacity of buckets used in an hour.
We should note that 60 minutes = 1 hour. Therefore, the unit rate at which the water is leaking in buckets per hour will be:
= 2/5 × 60/12
= 2/5 × 5
= 2 buckets
The answer is 2 buckets per hour.