If the system of equations 3x + 5y = 15 and 6x + 10y = 30 is analogous to which of the following systems?

Answer: C. 5x + 10y = 25 and 10x + 20y = 50
Both systems are equivalent as they represent the same line in a graphical solution.
Posted in:  Linear Equations -  Analogy -  Verbal Reasoning