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14 April, 13:19

The sum of two numbers is 15. The first number is half of the second number. What are the two numbers?

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Answers (2)
  1. 14 April, 13:45
    0
    5 and 10

    Step-by-step explanation:

    X*Y=15

    X=15-Y

    X=Y/2

    Y/2=15-Y

    Add Y to both sides

    3Y/2=15

    3Y=30

    Y=10

    X=5
  2. 14 April, 13:48
    0
    10 5

    Step-by-step explanation:

    10 : 2 = 5 and 5 + 10 = 15
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