If I mix 1/2 gallon of 2% milk with 1/2 gallon of 1% milk what would i end up with?

Question

If I were to mix 1/2 gallon of 2% milk with 1/2 gallon of 1% milk, would I end up having milk that would equal a total of 3 % or would I have milk that would be 1 1/2%? 

Answer 1

yu get 1 gallon av thin milk (1.5%)