SOLUTION: Sarah's age three years ago is ¾ her age in four years. How old is she now?

Question 1166775: Sarah's age three years ago is ¾ her age in four years. How old is she now?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.

Let x be her age now.


Then the condition says


    x - 3 = 


To solve it, multiply by 4 both sides.


    4*(x-3) = 3*(x+4)

    4x - 12 = 3x + 12

    4x - 3x = 12 + 12

       x     = 24   is her current age.    ANSWER

Solved.

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