Tegan needs to make 68 more snow blocks to finish building an igloo. write an equation for the number of blocks tegan still needs to make, m, when she has completed c blocks.

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.