Ratio & Proportion

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What is a ratio?

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A ratio is a comparison of two quantities by division, expressed as 'a to b' or a:b.

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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 the terms and then isolate the variable.

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What is the cross-multiplication method?

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The cross-multiplication method involves multiplying the numerator of one ratio by the denominator of the other ratio.

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What is the simplest form of a ratio?

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The simplest form of a ratio is when the two quantities are expressed in their lowest terms.

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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 the ratio of vowels to total letters in the word 'FLASHLIGHT'?

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The word 'FLASHLIGHT' has 2 vowels (A, I) and 10 total letters. The ratio is 2:10, which simplifies to 1:5.

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x = 6.75.

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x = 5.4.

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x = 27.