Rates

Front

What is a rate?

Back

A rate is a ratio that compares two different quantities, often expressed as a quantity per unit of another quantity.

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, showing how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the numerator by the denominator to find the amount per one unit.

Front

If a cashier rings up 2 customers in 8 minutes, how many customers can he ring up in 30 minutes?

Back

7.5 customers.

Front

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

Back

20 customers per hour.

Front

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Back

$8 per pound.

Front

If it takes 4 quarts of paint to cover 560 square feet, how many quarts are needed to cover 140 square feet?

Back

1 quart.

Front

What is the formula for calculating a rate?

Back

Rate = Quantity 1 / Quantity 2.

Front

What does it mean if a rate is expressed as 'per hour'?

Back

It means the quantity is measured for every hour.

Front

What is the significance of unit rates in real-life applications?

Back

Unit rates help compare prices, speeds, and other quantities to make informed decisions.