Algebra-1

To represent the situation described, we need to consider the number of hours Joan can work, the hourly rates, and the minimum amount she needs to make.

Let's break it down:

1. Number of hours: Joan can work a maximum of 15 hours per week. Let's represent the number of hours she babysits as 'b' and the number of hours she tutors as 't'. The sum of the hours she babysits and tutors must be less than or equal to 15. So the inequality is:
   b + t ≤ 15

2. Hourly rates: Joan earns $3 per hour babysitting and $6 p...