Jacqueline has two part-time jobs. She earns $15 per hour, l, working as a lab assistant, and $12 per hour, s, working as a cashier. This is modeled by 15l+12s. Evaluate for l=5 and s=7 to find how much money Jacqueline will earn at her two jobs this week.
To find out how much money Jacqueline will earn at her two jobs this week, we need to evaluate the expression 15l + 12s with l = 5 and s = 7.
Substituting l = 5 and s = 7, we get:
15(5) + 12(7)
This simplifies to:
75 + 84
Adding the numbers together, we get:
159
Therefore, Jacqueline will earn $159 at her two jobs this week.