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 drive 60 miles in 1 hour, the unit rate is 60 miles per hour.

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How do you calculate the cost per item?

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To calculate the cost per item, divide the total cost by the number of items. For example, if 20 shirts cost $38.40, the cost per shirt is $38.40 ÷ 20 = $1.92.

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If a car travels 510 miles in 8.5 hours, how do you find the speed in miles per hour?

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To find the speed in miles per hour, divide the total miles by the total hours. For example, 510 miles ÷ 8.5 hours = 60 miles per hour.

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What is the cost of one juice box if an 8 pack costs $4?

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To find the cost of one juice box, divide the total cost by the number of juice boxes. $4 ÷ 8 = $0.50 per juice box.

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How do you find the ounces of meat per steak if there are 72 ounces for 6 steaks?

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To find the ounces per steak, divide the total ounces by the number of steaks. 72 ounces ÷ 6 steaks = 12 ounces per steak.

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If four students spent $9.40 on lunches, how do you find the cost per student?

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To find the cost per student, divide the total cost by the number of students. $9.40 ÷ 4 = $2.35 per student.

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What is the formula for calculating unit rates?

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The formula for calculating unit rates is: Unit Rate = Total Quantity ÷ Number of Units.

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Why is understanding unit rates important in real life?

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Understanding unit rates helps in making informed decisions, such as comparing prices, understanding speeds, and evaluating costs.

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What is an example of a unit rate in cooking?

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An example of a unit rate in cooking is measuring ingredients, such as 2 cups of flour for 4 servings, which means 0.5 cups of flour per serving.

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How can unit rates help in shopping?

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Unit rates can help in shopping by allowing you to compare prices of different sizes or brands to find the best deal.