A car travels a distance of 400 km and consumes x km per litre of fuel. Then the driver gets the engine serviced. The same car then travels a distance of 400 km but the fuel consumption is x 5 km per litre. How many litres of petrol was consumed by the car in total journey?Do you think , the driver could have saved more petrol ? If so how ?
Answers
Answered by
2
Total consumption of fuel = 400 / x + 400 / (x+5)
= 400 ( x+5) + 400x
x ( x+5)
= 400 ( 2x +5)
x ( x+5) Litres of petrol
Hope it helped you!
= 400 ( x+5) + 400x
x ( x+5)
= 400 ( 2x +5)
x ( x+5) Litres of petrol
Hope it helped you!
Similar questions