### Home > PC > Chapter 10 > Lesson 10.2.2 > Problem 10-91

10-91.

If it took Chun *t* hours to get there, write an expression for the hours it took him to get back.

10 − *t*

distance there = distance back

(rate_{1})(time_{1}) = (rate_{2})(time_{2})

When you solve your equation you will get an answer for *t*.

Make sure you answer the question being asked!