solving proportions

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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 set up a proportion from a word problem?

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Identify two ratios from the problem and set them equal to each other.

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What is the cross-multiplication method in solving proportions?

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Cross-multiplication involves multiplying the numerator of one ratio by the denominator of the other ratio.

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What does it mean if two ratios are in proportion?

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It means that the two ratios represent the same relationship between quantities.

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How can you check if two ratios are equivalent?

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You can cross-multiply and see if the products are equal.

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y = 10.

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