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31 January, 20:24

Andrew is 17 years old, which is 3 years more than twice as old as his sister. Andrew's sister is a years old. Which value of a makes the equation 17 = 2a + 3 true?

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Answers (2)
  1. 31 January, 20:30
    0
    The answer would be 7 years
  2. 31 January, 23:05
    0
    Yes it is true A will equal 14
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