Suzi paid $20 for 3 pens and 2 books. The Price difference between 5 pens and a book is $3. Calculate the prize, in $ of a book

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.

The answer is something i don’t know

Leave your answers as radicals in simplest form. examples: 3 name: special right triangle review find the missing side lengths .