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1 May, 05:41

Mia is three years older than twice her sister brooke's age. The sum of their ages is less than 30. what is the greatest age Brooke can be?

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  1. 1 May, 09:37
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    Answer: 9

    Step-by-step explanation: You can start by setting this up as an equation, where X is Brooke's age.

    X + 2 (x) + 3 = 30

    The 2 (X) + 3 signifies the part of the problems identifying that Mia is twice her sisters age plus 3 years.

    Combine x's

    3x + 3 = 30

    Subtract 3 from both sides to isolate the x term

    3x = 27

    Divide both sides by 3 to reduce to a single x

    X = 9, which is brooke's age
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