Question

the cost of 25 litres of petrol is 1, 900 if the capacity of fuel tank on the bike is 10.5 litres calculate cost of petrol in the tank when it's completely full

Answer 1

Cost of 25 litres of petrol is 1900 Cost of 1 litre of petrol is 1900 / 25 =76. Cost of 10.5 liters of petrol is 10.5 * 76 = 798 hence 798 is cost when tank is completely full