Question
In a parking lot, 80% of the vehicles are motorcycles,
and the rest are trucks. Find the ratio of the number of wheels of motorcycles to that of trucks in the parking lot.Solution
ATQ,
Let the total number of vehicles in the parking lot be 'z'. Therefore, the number of motorcycles = 0.80z The number of trucks = 0.20z According to the question: (Wheels of motorcycles) = 2 à 0.80z = 1.6z (Wheels of trucks(Wheels of trucks) = 4 à 0.20z = 0.8z Now, the ratio of the number of wheels of motorcycles to that of trucks: 16z/0.8z = 1.6/0.8 = 2/1 or 2:1 So, the ratio of the number of wheels of motorcycles to trucks is 2:1.
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