function calculateBallast (carMass, carPower, percent)
     powerWeightRatio = carMass/carPower
     newPowerWeightRatio = powerWeightRatio * (1+(percent/100))
     newCarMass = newPowerWeightRatio * carPower
     ballast = newCarMass - carMass
     return math.floor(ballast)
    end


io.write ("Ballast table for LX4 \n")
for i=5,1,-1 do
  io.write(i,"% -> ", calculateBallast (499 ,140, i),     " kg\n")
end

io.write ("Ballast table for RAC \n")
for i=10,1,-1 do
  io.write(i,"% -> ",calculateBallast (800 ,245 , i),     "kg\n")
end

io.write ("Ballast table for LX6 \n")
for i=15,1,-1 do
  io.write(i,"% -> ",calculateBallast (539 ,190 , i),     "kg\n")
end