Suzie tutors and babysits after school and works at a grocery store on the weekends. She earns a different hourly wage for each of the three jobs: t dollars for tutoring, b dollars for babysitting, and g dollars for working at the grocery store. The table shows the number of hours she worked at each job over the course of three weeks. TutoringBabysittingGrocery Store Week 1486 Week 2354 Week 3464 In week 1, Suzie earned $215; in week 2, she earned $145; and in week 3, she earned $170. What matrix equation could be used to determine the hourly wage she earns for each job? Fill in the missing elements in the equation.