Marathon runner covered the whole distance in 4 hours running at a constant speed of 8.1 km per hour. How long would it take him to cover the same distance if he decreased the speed to 7.2 km per hour?
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Home » Mathematics » Marathon runner covered the whole distance in 4 hours running at a constant speed of 8.1 km per hour. How long would it take him to cover the same distance if he decreased the speed to 7.2 km per hour?