math 7

Nila is now x years old. Three yrs ago, her brother ricky was twice as old as she, write rickys age ten yrs frm now in terms of x.

(With solution pls) tnx...

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  1. Nila's age = X yrs old, now.
    Nila's age = (X-3) yrs old, 3 yrs ago.

    Ricky's age = 2(X-3) yrs old, 3 yrs ago.
    Ricky-Nila = 2(X-3)-(X-3) = (X-3) yrs
    older than Nila.

    Ricky's age, now = X + (X-3) = (2x-3)
    yrs old.


    Ricky's age 10 yrs from now = 10(2x-3) =
    (20x-30) yrs old.

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    posted by Henry
  2. Correction:
    Ricky's age 10 yrs from now =(2x-3)+10 =
    2x+7.

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    posted by Henry
  3. 2x+7

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