Question

Jocelyn makes x dollars per hour working at the grocery store and n dollars per hour babysitting. Write an expression that describes her earnings if she babysat for 25 hours and worked at the grocery store for 15 hours.

Short answer

Expression to represent earning$=\$\left(25n+15x\right)$

Step-by-step solution

Step 1. Apply the concept of algebraic expression.

An algebraic expression is a combination of constants, variables, and arithmetic operations.

Step 2. Write given information.

Given: Jocelyn babysits for 25 hours and works in the grocery store for 15 hours.

She makes $x$ dollars per hour for working at the grocery store and $n$ dollars per hour for babysitting.

Step 3. Write the verbal expression into an algebraic expression.

Here, the Amount for 25 hours of babysitting $=25n$

The amount for 15 hours babysitting$=15x$

The total amount she earns is the sum of earning from babysitting and grocery stores i.e.

Expression to represent earning $=\$\left(25n+15x\right)$