Unit Rates and Percent

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What is a unit rate?

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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, often expressed as 'per' something (e.g., miles per hour, dollars per item).

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How do you calculate a unit rate?

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To calculate a unit rate, divide the total quantity of one item by the total quantity of another item. For example, if you have 60 miles driven in 3 hours, the unit rate is 60 miles ÷ 3 hours = 20 miles per hour.

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What is the formula to find the percent of a quantity?

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The formula to find the percent of a quantity is: Percent = (Part/Whole) × 100. For example, if 15 out of 25 boys chose to go swimming, the percent is (15/25) × 100 = 60%.

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What does 150% mean?

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150% means one and a half times the whole. It can be expressed as a decimal (1.5) or a fraction (3/2).

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If 12 pencils cost $3.60, how much does one pencil cost?

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To find the cost per pencil, divide the total cost by the number of pencils: $3.60 ÷ 12 = $0.30 per pencil.

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What is the greatest amount among 150%, 1/150, and 50/100?

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150% is the greatest amount among the three options.

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How do you convert a fraction to a percent?

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What is the unit rate of $40 for 5 pounds of concrete?

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The unit rate is $40 ÷ 5 pounds = $8 per pound.

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Back

k = 14, because 224 ÷ 16 = 14.

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What is the relationship between unit rates and ratios?

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Unit rates are a specific type of ratio that compares a quantity to one unit of another quantity, while ratios can compare any two quantities.