Q30. - Algebra 1

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.

Step-by-Step Solution

Answer

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

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 $=\$\left(25n+15x\right)$