### Home > GB8I > Chapter 9 Unit 10 > Lesson INT1: 9.1.2 > Problem 9-22

9-22.

Griffin ran

Read the Math Notes box in Section 2.2.4 to find common conversion factors.

Read the Math Notes box in Section 2.3.1 on dimensional analysis.

How many yards are in a mile? If you don't know, then how many feet are in a mile?