Ratios and Proportions

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What is a ratio?

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A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

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How do you simplify a ratio?

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To simplify a ratio, divide both terms by their greatest common divisor (GCD).

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What is a proportion?

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A proportion is an equation that states that two ratios are equal.

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How do you solve a proportion?

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To solve a proportion, cross-multiply and then divide to find the unknown value.

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What is unit rate?

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A unit rate is a ratio that compares a quantity to one unit of another quantity.

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How do you find the unit price?

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To find the unit price, divide the total price by the number of units.

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What is the formula for speed?

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Speed = Distance / Time.

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If a car travels 120 miles in 2 hours, what is its speed?

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60 miles per hour.

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What is the relationship between ratios and fractions?

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Ratios can be expressed as fractions, where the first term is the numerator and the second term is the denominator.

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How can you use ratios in real life?

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Ratios can be used in cooking, budgeting, and comparing prices.