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If a boy walks from his house to school at 4 km/hr, he is 23 minutes late. If he walks at 5 km/hr, he is 34 minutes early. What is the distance from his house to school?
Hard
If a boy walks from his house to school at 4 km/hr, he is 23 minutes late. If he walks at 5 km/hr, he is 34 minutes early. What is the distance from his house to school?
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