Question

     If the sum of two numbers is 45, and their difference

    is 9, what are the two numbers?
    A 18 and 27 Correct Answer Incorrect Answer
    B 20 and 25 Correct Answer Incorrect Answer
    C 15 and 30 Correct Answer Incorrect Answer
    D 12 and 33 Correct Answer Incorrect Answer

    Solution

    Explanation: Let the two numbers be x and y. We have x + y = 45 and x - y = 9. Solving these equations gives x = 27 and y = 18.

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