What was John’s age 4 years ago, if he will be z years old in 5 years?

Explain how you can show five less than a number using an algebraic expression

The length of a rectangle (x+5) inches long, and the width is 3 2/5 inches. if the area is 51 square inches, write and solve an equation to find the length of the rectangle.

Abookstore owner is having a sale the book bart wants was originally priced at $14.99 the book is now $10.04 by what percentage was the price reduced