Question

Express each ratio as a rate and a unit rate.

1.) 120 miles on 4 gallons of gas
2.) 24 dollars for 6 books

Answer 1

To express a ratio as a rate, divide the two quantities and include the units. To express a ratio as a unit rate, divide the two quantities and choose one of them to have a value of 1.

Step-by-step explanation:

To express a ratio as a rate, we divide the two quantities in the ratio and include the units. To express a ratio as a unit rate, we divide the two quantities and choose one of them to have a value of 1.

1. The ratio of 120 miles to 4 gallons of gas can be expressed as a rate of 120 miles per 4 gallons of gas. To express it as a unit rate, we divide 120 miles by 4 gallons to get 30 miles per 1 gallon.
2. The ratio of 24 dollars to 6 books can be expressed as a rate of 24 dollars per 6 books. To express it as a unit rate, we divide 24 dollars by 6 books to get 4 dollars per 1 book.