Question 1158860
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Let Shiela is x years old;  then RJ is 2x+10 years old.


10 years ago


    RJ  was  ((2x + 10)-10) = 2x  years old;

    Shiela was  (x-10) years old.


    2x = 3*(x-10)

    2x = 3x - 30

    30 = 3x - 2x

    x = 30.


<U>ANSWER</U>.  Shiela is 30 years old.
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