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4 December, 22:58

Math

Bob's age is 4 times greater than Susanne's age. Dakota is three years younger than Susanne. The sum of Bob's, Susanne's, and Dakota's ages is 93. What is Susanne's age?

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  1. 4 December, 23:03
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    Susanne is 16

    Step-by-step explanation:

    Let x be Dakota's age

    x + 3 = Susanne's age

    4 (x+3) = Bob's age

    Sum of their age is:

    x + x + 3 + 4 (x + 3) =

    Simplify:

    x + x + 3 + 4x + 12

    6x + 15 = 93

    6x = 78

    x = 13

    Susanne is 3 more than x (13 + 3) which is 16
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