Marco still owes his brother $105. You get this answer by doing the following: Start by multiplying 150 * 0.3 (This is the same as multiplying by 30%). You will get 45 for your answer. This number is how much Marco has paid his brother so far. Then subtract 45 from 150 (150-45) to find out how much more Marco has left to pay. Your final answer will be $105.
