Elena B. answered • 11/29/17

Tutor

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GMAT/GRE, SAT/ACT, Advanced Math - College Counseling

Let's call d=number of hours per week worked at the diner

and p= number of hours per week worked at the pet stores

the equation that will model the weekly earnings is 5.08d + 7.99p = 158

Keep in mind that you can use units to help figure out how to set up an equation. In this example you have

$ + $ = $