Zinc is a mineral that supports a healthy immune system. A doctor recommend zinc to four of her patients. The doctor recommended different amounts of zinc over a three month period. To which patient did the doctor recommend they increase the amount of zinc each month? A) Patient # 1 B) Patient # 2 C) Patient # 3 D) Patient # 4

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.