Proportional Relationships Review

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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 is constant.

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How do you find the unit rate?

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To find the unit rate, divide the total amount by the number of units. For example, if you have $97.50 for 15 pizzas, the unit rate is $97.50 ÷ 15 = $6.50 per pizza.

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What is the unit rate of 45 pages in 15 minutes?

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The unit rate is 3 pages per minute, calculated as 45 pages ÷ 15 minutes.

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How do you simplify a complex fraction?

Back

To simplify a complex fraction, find a common denominator for the fractions in the numerator and denominator, then simplify.

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What does it mean if two quantities are proportional?

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If two quantities are proportional, it means that as one quantity increases, the other quantity increases at a constant rate.

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How can you tell if a relationship is proportional from a table of values?

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A relationship is proportional if the ratios of corresponding values are constant.

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What is the formula for finding a unit rate?

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The formula for finding a unit rate is: Unit Rate = Total Amount ÷ Number of Units.