Tylisha works at an electronic store and also tutors.
* She earns $10 per hour at the electronics at the electronics store
* She must work at least 8 hours each week at the electronics store
* She tutors for $15 per hour
* She wants to earn at least $120 per week
* She does not want to work more than a total of 20 hours per week
Which system of inequalities can be used to determine the number of hours Tylisha can work each week at the electronics store, e, and the number of hours she can tutor, t?