### Home > A2C > Chapter 8 > Lesson 8.1.2 > Problem 8-27

8-27.

The error is in the step where she subtracted 16.

She should have subtracted 3 · 16 = 48 in order to account for the factor of 3.

8-27.

The error is in the step where she subtracted 16.

She should have subtracted 3 · 16 = 48 in order to account for the factor of 3.