Algebra-1

To model the situation with a system of linear inequalities, let's define:

s = the number of hours working as a pet sitter
t = the number of hours working as a math tutor

Constraints:

1. Total Hours Constraint:  
You can work at most 20 hours in total:
s + t ≤ 20

2. Income Constraint:  
You need to earn at least $92. Since the tutoring job pays $7.50 per hour and the pet sit...