How many minutes are in 3/4 of an hour

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.