In a city, the number of persons travelling by bike is 22.5% the number of persons travelling by metro. The number of persons travelling on foot is 40% the number of persons travelling by bike. If 200 persons travel by metro, then how many persons travel on foot?
Number of persons travelling by bike = 200 × (22.5/100) = 45 Number of persons travelling by walk = 45 × (40/100) = 18
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