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A butterfly can fly 82 feet in 4 seconds. A dragon can fly 50 feet in 2 seconds. Which can fly faster and by how much?

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Answer:

Step-by-step explanation: If a butterfly flies 82 feet in 4 seconds, it will fly 41 feet in 2 seconds. A dragonfly flies 50 feet in 2 seconds, so that makes it faster than the butterfly by 9 feet per 2 seconds, or 4.5 feet per second.  

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