washCar

function solve(input) {
  let functs ={
      soap: x => x + 10,
      water: x => x + x * 0.20,
      'vacuum cleaner': x => x + x * 0.25,
      mud: x => x - x * 0.10
  }

  let value = input.reduce((acc, curr) => functs[curr](acc), 0);
  console.log(`The car is ${value.toFixed(2)}% clean.`);
}

solve(['soap','soap','vacuum cleaner','mud','soap','water']);