Answer:
1 inch/hr
Explanation:
Rate of growing of weed mile-a-minute = 2 ft per day
To find:
Rate of growth of weed in inches per hour ?
Solution:
First of all, let us have a look at the following units conversion:
1 ft contains 12 inches
and 1 day is equal to 24 hours.
Rate of growth of weed is Length divided by number of days.
2 ft per day means Length of 2ft divided by 1 day.
i.e.

Let us put the units for conversion as discussed above:

So, the answer is: 1 inch/hour