### Home > CAAC > Chapter 7 > Lesson 7.1.3 > Problem 7-29

7-29.

Write an equation for which *t* = the time (in hours) that shows when Kelly will be 18 kilometers ahead of Jack on the path.

15*t* = 12*t* + 18

Solve for *t*.

3*t* = 18

*t* = 6

7-29.

Write an equation for which *t* = the time (in hours) that shows when Kelly will be 18 kilometers ahead of Jack on the path.

15*t* = 12*t* + 18

Solve for *t*.

3*t* = 18

*t* = 6