Finding unit rates

Front

What is a unit rate?

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A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. It is often used to determine the cost per item, speed, or efficiency.

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How do you calculate a unit rate?

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To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 5 books read in 16 hours, the unit rate is 5 books ÷ 16 hours = 5/16 books per hour.

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If Abby can read 5 books in 16 hours, what is her unit rate in books per hour?

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5/16 books per hour.

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Elijah earns $200 for 8 hours of work. What is his unit rate in dollars per hour?

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$25 per hour.

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What is the unit rate if a realtor visits 13 houses in 3 hours?

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13/3 houses per hour.

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Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

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$1.25 per pound.

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

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$6.80 per hour.

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What is the formula for finding a unit rate?

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Unit Rate = Total Quantity / Total Time or Total Cost.

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Why is it important to understand unit rates?

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Understanding unit rates helps in making comparisons and informed decisions, such as determining the best value for money or the most efficient use of time.

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What is an example of a unit rate in everyday life?

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An example of a unit rate is the price of gas per gallon, such as $3.50 per gallon.