Keshia is a college student who is amjoring in mathematics education. She would like to earn some money to help with expenses. She has two part time jobs. Keshia earns $8 an hour tutoring at the Academic Support Center on campus, and $10 an hour working at a local restaurant. Although she would like to work more hours at the tutoring center, she likes earning the higher pay at a local restaruant. she can tutor between 2 and 8 hours per week. What is Keshia's maximum eaning potential if she works a total of no more than 20 hours per week?

this is algebra 2 word problems. i cant figure out all of the constraints. if somebody could tell me what the conatraints are i can finish the problem. +karma for help

* this is a hint that they give.

the first 2 constraints pertain to the number of hours she wants to tutor. the thrid constraint relates to the number of hours she can wokrk at a local restaruant and the 4th to the total hours she can work.

i have so far:

T+R