ratio and proportional
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ratio and proportional
Ratio and proportion are fundamental concepts in mathematics that express the relationship between two quantities. A ratio compares two numbers, showing how many times one value contains or is contained within the other....
Sample questions with model answers
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Solve the problem: If 5 apples cost $3, how much do 20 apples cost?
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20 apples cost $12.
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Explain the concept of scaling in ratios with an example.
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Scaling adjusts ratios by multiplying or dividing both parts by the same number.
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A recipe requires 2 cups of flour for every 3 cups of sugar. If you have 8 cups of sugar, how much flour do you need?
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You need 5.33 cups of flour.
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If the ratio of boys to girls in a class is 2:3 and there are 20 girls, how many boys are there?
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There are 13 boys.
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