Waec Model Questions Vol1 2018 Geography Question 5
Practice objective / multiple choice question 5 from the 2018 Waec Model Questions Vol1 Geography examination.
A commuter bus travels a 30 km route with five equally spaced stops. Each stop adds a dwell time of 45 seconds. The bus may choose an average cruising speed \(v\) (km h⁻¹) between 30 and 60 km h⁻¹. Fuel consumption per kilometre is \(f(v)=0.05v+\frac{2}{v}\) L km⁻¹. Fuel price is ₦165 per litre. The operator assigns a time penalty of ₦500 for every minute of total travel time (cruising plus dwell). Determine the cruising speed (to the nearest km h⁻¹) that minimises the total cost (fuel cost plus time penalty).
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About This Question
This is Waec Model Questions Vol1 2018 Geography Question 5. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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