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Runner YY Leaves the Starting Line at 12:00 XX Leaves from the Same Place and Catches Up to Runner

Question 46

Essay

Runner YY leaves the starting line at 12:00. Five minutes later runner XX leaves from the same place and catches up to runner YY at 12:07. Four minutes later, runner XX is one hundred metres ahead of runner YY . What is the speed of each runner in m/s\mathrm{m} / \mathrm{s} ?

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