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26 April, 14:49

Cara's brother is 4 years old, she is 8 when will she be triple the age of him?

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  1. 26 April, 15:02
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    Let x be the number of years for the Cara to be triple of her brother's age.

    Brother = 4 years old

    Cara = 8 years old

    8 + x = 3 (4 + x)

    8 + x = 12 + 3x

    3x - x = - 4

    2x = - 4

    x = - 2

    She was triple his age 2 years ago but she will never to triple his age in the future.
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