Answer :
1 mile is made up of 1760 yards.
If the library is 5 miles from the post office then the library is (5 x 1760) yards from the post office.
5 x 1760 = 8800
So the library is 8800 yards from the post office.
If the library is 5 miles from the post office then the library is (5 x 1760) yards from the post office.
5 x 1760 = 8800
So the library is 8800 yards from the post office.