ratio and proportional
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ratio and proportional
Ratio is a comparison of two quantities expressed as a fraction, while proportion states that two ratios are equal. Understanding how to simplify ratios, convert between ratios and fractions, and solve problems involving...
Sample questions with model answers
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A car travels 150 miles on 5 gallons of gas. How far can it travel on 8 gallons?
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The car can travel 240 miles on 8 gallons.
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Explain the concept of proportions with an example.
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Proportions show that two ratios are equal; for example, 1:2 = 2:4.
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A recipe requires 2 cups of flour for every 3 cups of sugar. If you have 8 cups of flour, how much sugar do you need?
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You need 12 cups of sugar.
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Differentiate between direct and inverse proportion.
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In direct proportion, as one quantity increases, the other also increases; in inverse proportion, as one quantity increases, the other decreases.
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