Question

Last week, your delivery runs took 7 hours 12 minutes on Monday, 6 hours 46 minutes on Wednesday, and 6 hours 53 minutes on Friday? What was your average time for a delivery run?

Answer 1

7 hrs   12 minutes
6 hrs    46 minutes
6 hrs    53 minutes
--------------------------add
19 hrs  111 minutes ......... = (19 * 60) + 111 = 1140 + 111 = 1251 minutes

1251 / 3 = 417 minutes <== her average delivery....or 6 hrs 57 minutes