Jacqueline has two part-time jobs. She earns $15 per hour,I, 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

1 answer

To find out how much money Jacqueline will earn at her two jobs this week, we can evaluate the expression \(15l + 12s\) where \(l = 5\) (the number of hours worked as a lab assistant) and \(s = 7\) (the number of hours worked as a cashier).

Substituting the values into the expression:

\[ 15l + 12s = 15(5) + 12(7) \]

Calculating each term:

\[ 15(5) = 75 \] \[ 12(7) = 84 \]

Now, adding these two amounts together:

\[ 75 + 84 = 159 \]

So, Jacqueline will earn $159 at her two jobs this week.