A child built a square pyramid sand castle at the beach that was 10 inches long along each edge of the base with a height of 6 inches. What is the
volume of sand inside the sand castle?

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.