Mathematics, 05.05.2020 08:46, keylor97

A car consumes a gallon of petrol for every 30km drive. The driver of the car set out on a journey of 420km with 10 gallons of petrol in the fuel tank. (I) How many more gallons of petrol we be needed to complete the journey. (ii) Find the cost of petrol used for the journey of 420km if a gallon of petrol cost 5.50Ghc

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A car consumes a gallon of petrol for every 30km drive. The driver of the car set out on a journey o...