exam Maths Puzzle Numerical Ability

Two Gasoline Distributors, A & B, are 228 mi apart on Interstate 80. A charges $0.85/gal and B charges $0.80/gal. Each charges $0.05/gal per mile for delivery. Where on Interstate 80 is the cost to the customer the same?

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exam Other Question
A bus traveled for 2 h at r mi/h, then decreased the speed by 10 mi/h and traveled for 1 more hour. How far did the bus go? What are the coordinates of the focal point y=3(2)(^2x+4)-5 ?