Sean's older brother is 16 years old. He runs between 15 and 25 miles each week. The sum of the digits of the total number of miles that he ran last week is eight less than his age. How many miles did Sean run last week?

3 answers

16 - 8 = 8

Which of these sets of digits equals 8?

16, 17, 18, 29, 20, 21, 22, 23, 24
17
Yep.