Solve Two-Step Linear Equations Practice Test

A bike rental costs $12 per hour plus a one-time $6 helmet fee. If the total cost was $78, how many hours did the bike rental last? Write an equation and solve.

Compare methods: A student says the equation for this situation is $7x+2=44$: “Each notebook costs $\$7$, and there is a $$2$ fee for the whole purchase. The total was $\$44$.” What is the correct number of notebooks?