A college student works in both the school cafeteria and library. She works no more than 13 hours per week at the cafeteria, and no more than 15 hours per week at the library. She must work at least...

Extracted text: A college student works in both the school cafeteria and library. She works no more than 13 hours per week at the cafeteria, and no more than 15 hours per week at the library. She must work at least 20 hours each week. Write a system of inequalities that describes all the given conditions. Write a system of inequalities letting x = number of hours worked at the cafeteria per week and y= number of hours worked at the library per week. x+y2 xs, ys