Ratios and Equivalent Ratios

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What is a ratio?

Back

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

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How do you write a ratio?

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Ratios can be written in three ways: using a colon (e.g., 3:4), as a fraction (e.g., 3/4), or with the word 'to' (e.g., 3 to 4).

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What is an equivalent ratio?

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Equivalent ratios are ratios that express the same relationship between two quantities, even if the numbers are different (e.g., 1:2 is equivalent to 2:4).

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How can 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 boys to girls in a class with 16 boys and 32 girls?

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The ratio of boys to girls is 1:2 when simplified.

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If a recipe calls for 4 cups of flour and 2 cups of sugar, what is the ratio of flour to sugar?

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The ratio of flour to sugar is 2:1.

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What is a real-life example of a ratio?

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A real-life example of a ratio is 4 meatballs to 1 cup of sauce.

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How do you find the total number of items in a ratio?

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To find the total number of items in a ratio, add the parts of the ratio together.

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What is the ratio of red toy cars to all toy cars if there are 2 black, 3 red, and 5 white toy cars?

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The ratio of red toy cars to all toy cars is 3:10.

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How do you express a ratio as a fraction?

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To express a ratio as a fraction, place the first quantity over the second quantity (e.g., for a ratio of 3:4, it is expressed as 3/4).