Ratio and Rate Problems Review

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What is a ratio?

Back

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 rate?

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A rate is a specific kind of ratio that compares two different units, such as miles per hour or price per item.

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How do you find the total number of votes from a ratio?

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To find the total number of votes from a ratio, add the parts of the ratio together and then use that sum to find the total.

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If Hatim received 4 votes and the total votes were 15, what is the ratio of Hatim's votes to total votes?

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The ratio is 4/15.

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How do you calculate the number of items needed based on a ratio?

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Use the ratio to set up a proportion and solve for the unknown quantity.

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What is the ratio of pens to brushes if there are 32 pens and 40 brushes?

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The ratio is 32:40, which simplifies to 4:5.

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If Julia types 150 words in 5 minutes, how many words does she type in 1 minute?

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Julia types 30 words in 1 minute.

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What is the formula to find the unit rate?

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The unit rate is found by dividing the quantity by the number of units, expressed as 'quantity per unit'.

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How do you convert a ratio to a fraction?

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To convert a ratio to a fraction, write the first term as the numerator and the second term as the denominator.

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