### Home > A2C > Chapter 3 > Lesson 3.2.3 > Problem 3-123

3-123.

See the hint for problem 3-81 part (b).

Billy will take 35 years. Michael will take 48 years.

3-123.

See the hint for problem 3-81 part (b).

Billy will take 35 years. Michael will take 48 years.