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Published byBridget Turner Modified over 9 years ago
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NS 1.3
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CST problems
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remember Ratios A ratio is a comparison of two things…. - boys to girls - cats to dogs - ears to robots and can be written as a fraction.
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Mr. Hansen can correct 8 papers in 6 minutes. How many papers can he correct in 30 minutes? What is being compared? Write it as a ratio. Make another ratio with the remaining information. Solve the proportion. x = 40
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A monkey can eat 30 bananas in 7 days. How many will he eat in 35 days? What is being compared? Write it as a ratio. Make another ratio with the remaining information. Solve the proportion.
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A car company can make 20 black cars for every 35 red cars. How many red cars do they make if they produce 36 black cars? What is being compared? Write it as a ratio. Make another ratio with the remaining information. Solve the proportion.
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Mr. Hansen can correct 5 papers in 9 minutes. How many can he correct in 45 minutes?
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released CST question
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A company can make 18 blue cars and 24 gray cars in a day. How many gray cars will they make if they produce 30 blue cars?
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