10% of 120 is 12 and 5% is 6 so first you need o multiply 10x3 to get 30% then 12x3 to get the miles. Then you add the six to 12x3 and the five to 10x3 and you get
IDK the constant and quantities... First, find how many hours it takes for him to grade 1 essay, 0.16. Then multiply that by 35 to get 5.6. I hope this is right -_-'
