Question

Mia is working two summer jobs, making $18 per hour lifeguarding and making $10 per hour washing cars. In a given week, she can work at most 13 total hours and must earn a minimum of $180. If x represents the number of hours lifeguarding and y represents the number of hours washing cars, write a system of inequalities to represent the situation.

Answer 1

18x+10y>=180

x+y<=13

Explanation:

she can't work more than 13 hours, but has to make at least $180