Quite a long D=rt question
Source: 2016 AMC 8 # 14
November 23, 2016
AMC 82016 AMC 8
Problem Statement
Karl's car uses a gallon of gas every miles, and his gas tank holds gallons when it is full. One day, Karl started with a full tank of gas, drove miles, bought gallons of gas, and continued driving to his destination. When he arrived, his gas tank was half full. How many miles did Karl drive that day?(A)\mbox{ }525\qquad(B)\mbox{ }560\qquad(C)\mbox{ }595\qquad(D)\mbox{ }665\qquad(E)\mbox{ }735