
Elena B. answered 11/29/17
Tutor
4.9
(546)
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
$ + $ = $