SOLUTION: please find solution for a car travels a distance 400 km & consumes x km per liter of fuel the driver get engine serviced the same car then travels a distance of 400 km but the fue

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: please find solution for a car travels a distance 400 km & consumes x km per liter of fuel the driver get engine serviced the same car then travels a distance of 400 km but the fue      Log On


   

Question 847452: please find solution for a car travels a distance 400 km & consumes x km per liter of fuel the driver get engine serviced the same car then travels a distance of 400 km but the fuel consumption is (x+5) km per liter now what is the x means?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
( km traveled ) / ( km / liter ) = liters consumed
Before servicing engine:
(1) +400+%2F+%28+x%2F1+%29+=+400%2Fx+ liters consumed
After servicing engine:
(2) +400+%2F+%28+%28+x%2B5+%29+%2F+1+%29+=+400%2F%28+x%2B5%29+ liters consumed
The bigger +x+ is, the greater the fuel efficiency
( less liters / km )