Question

Jenny has $55 in her checking account. She bought 7 equally priced DVDs and paid

with a check. Her new account balance is –$22. How much was each DVD?

Answer 1

Each DVD was 11 dollars

Explanation:

First let's make our equation

Lets read our equation and take the most important parts of it

Most important parts put into a equation

Let d represent DVD's

`55-7d=-22`

Subtract both sides by
`55`

`-7d=-77`

Divide both sides by
`-7`

`d=11`

Each DVD was 11 dollars