Unit Rates and Better Buy

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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. It is often used to determine the cost per item or the rate of something per unit of measure.

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How do you calculate the unit rate from a given quantity?

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To calculate the unit rate, divide the total quantity by the number of units. For example, if you have 408 words typed in 4 minutes, the unit rate is 408 words ÷ 4 minutes = 102 words per minute.

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What is the formula to find the price per item?

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The formula to find the price per item is: Price per item = Total price ÷ Number of items. For example, if 4 concert tickets cost $252, the price per ticket is $252 ÷ 4 = $63.

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How do you compare unit prices to find the better deal?

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To compare unit prices, calculate the unit price for each option and then compare these values. The option with the lower unit price is the better deal.

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What is the unit price of an item?

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The unit price of an item is the cost of a single unit of that item, often expressed in terms of cost per ounce, cost per item, or cost per pound.

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If a product costs $4.39 for 11.5 oz, how do you find the unit price?

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To find the unit price, divide the total cost by the total weight: $4.39 ÷ 11.5 oz = $0.38 per ounce.

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What is the unit rate of pay if someone earns $200 for 8 hours of work?

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The unit rate of pay is calculated by dividing the total earnings by the total hours worked: $200 ÷ 8 hours = $25 per hour.

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How do you find the price per ounce of a jar of mayonnaise that costs $3.00 for 30 oz?

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To find the price per ounce, divide the total price by the total ounces: $3.00 ÷ 30 oz = $0.10 per ounce.

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

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Unit rates help consumers make informed decisions by allowing them to compare prices and determine the best value for their money.

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How can you express a unit rate as a fraction?

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A unit rate can be expressed as a fraction where the numerator is the total quantity and the denominator is the number of units. For example, 102 words per minute can be expressed as 102/1.