2026 AMC 8 Problem 14

Jami picked three equally spaced integer numbers on the number line. The sum of the first and the second numbers is 40, while the sum of the second and third numbers is 60. What is the sum of all three numbers?

\textbf{(A)} 70 \qquad \textbf{(B)} 75 \qquad \textbf{(C)} 80 \qquad \textbf{(D)} 85 \qquad \textbf{(E)} 90

Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.