Answer :
The distance between C and D is measured by counting the number of boxes seperating the.
There are 5 boxes between C and D; thereofore, the distnace between C and D is 5 miles.

The distance between C and D is measured by counting the number of boxes seperating the.
There are 5 boxes between C and D; thereofore, the distnace between C and D is 5 miles.