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Mathematics, 03.03.2021 21:20 belferfex

A man cycles 12km to school every day at an average speed of 20km/h. On one particular day he cycled for a while, but then for a puncture. He walked the rest of the way at 4km/h. It took him an hour to get to school that day. How far did he walk?

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A man cycles 12km to school every day at an average speed of 20km/h. On one particular day he cycled...
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