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If it takes 5 identical firetrucks 5 minutes to pump 5 kiloliters of water onto a fire, how long will it take 8 firetrucks pump 8 kiloliters? Hint: the answer isn't 8 minutes.
What is the value of \(x\) that satisfies the proportional equation \[(5x-13):(6x-8)=4:5?\]
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If Calvin paid \(\$5\) for \(7\) pencils, how much would he pay for \(56\) pencils?
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If a map represents the actual distance with a ratio of \(1 \text{ cm}\) to \(10 \text{ km},\) then what is the actual size for \(7 \text{ cm}^2\) on the map?
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Charlie rides his bicycle down a hill at 30 kilometers per hour. Then he turns around and rides back up the hill at 6 kilometers per hour to his starting point. What is Charlie's average speed for the whole trip down and back up the hill?
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The ratio of the base to the height of a right triangle is \(3:5.\) If the area of this right triangle is \(30,\) what is the height of the right triangle?
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