Unit 7 Review

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity of one item by the total quantity of another item. For example, if you earn $20 for 3 hours of work, the unit rate is $20 ÷ 3 hours = $6.67 per hour.

Front

If a store sells 8 items for $14, what is the price per item?

Back

$1.75 per item (calculated as $14 ÷ 8 items).

Front

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

Back

$6.80 per hour (calculated as $20.40 ÷ 3 hours).

Front

What is the unit rate of customers per hour if a store sees 120 customers in 8 hours?

Back

15 customers per hour (calculated as 120 customers ÷ 8 hours).

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute (calculated as 408 words ÷ 4 minutes).

Front

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

Back

$8 per pound (calculated as $40 ÷ 5 pounds).

Front

What is the formula for finding the unit price?

Back

Unit Price = Total Price ÷ Quantity.

Front

Why is it important to understand unit rates?

Back

Understanding unit rates helps in making comparisons and informed decisions about prices, speeds, and other quantities.

Front

If a car travels 300 miles in 5 hours, what is the speed in miles per hour?

Back

60 miles per hour (calculated as 300 miles ÷ 5 hours).