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Alice, Becky, and Charlie decided to compete in a 225m run. When Alice crossed the finish line, Becky was 15m behind her. When Becky crossed the finish line, Charlie was 15m behind her. How far was Charlie behind Alice when Alice crossed the finish line if all three run at their own constant speed? 80 points! Explanation

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Answer:

Charlie was 30 m behind Alice when she crossed the finish line.

Therefore, Charlie had ran 175 m at the point when Alice crossed the finish line.

Step-by-step explanation:

If Becky was 15 m behind Alice, and Charlie was 15 m behind Becky, then Charlie was 15 + 15 = 30 m behind Alice.

Total distance Charlie had run when Alice crossed the finish line:

225 - 30 = 175 m

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