Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks. Today's cafeteria specials at a high school in Burlington are a deluxe turkey sandwich and a chef salad. During early lunch, the cafeteria sold 72 turkey sandwiches and 26 chef salads, for a total of $150. During the late lunch, 39 turkey sandwiches and 21 chef salads were sold, for a total of $102. How much does each item cost?

A turkey sandwich costs $, and a chef salad costs $.