Unit Rates

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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. For example, if you can buy 3 apples for $1.50, the unit rate is $0.50 per apple.

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How do you calculate a unit rate?

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To calculate a unit rate, divide the total amount by the number of units. For example, if you have $20 for 5 hours of work, the unit rate is $20 ÷ 5 = $4 per hour.

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Find the unit rate: $49.99 for 450 minutes of cell service.

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$0.11/minute.

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Find the unit rate: 360 pages in 12 hours.

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30 pages/hour.

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Find the unit rate: $16.80 for 4 gallons of gas.

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$4.20/gallon.

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Find the unit rate: $2.09 for 24 ounces.

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$0.09/ounce.

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Find the unit rate: $220 for 10 hours.

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$22/hour.

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What is the importance of unit rates in real life?

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Unit rates help consumers compare prices and make informed decisions about purchases, such as determining which product offers the best value.

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What is a proportional relationship?

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A proportional relationship is a relationship between two quantities where the ratio of one quantity to the other quantity is constant.

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How can unit rates be used in cooking?

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Unit rates can help determine the cost per serving or the amount of an ingredient needed per recipe, allowing for better budgeting and planning.