### Home > INT3 > Chapter Ch12 > Lesson 12.2.1 > Problem 12-81

12-81.

Refer back to your solutions from problems 12‑62, 12‑68, and 12‑80. Explain how these problems are related. Homework Help ✎

Look at the system of equations that you wrote for each.

12-81.

Refer back to your solutions from problems 12‑62, 12‑68, and 12‑80. Explain how these problems are related. Homework Help ✎

Look at the system of equations that you wrote for each.