Linear Equations

Asked by  | 10th Jan, 2009, 07:03: PM

Expert Answer:

let age of A is x +2  so that of B is x.   age of A's father is  2.(x + 2)  and age of B's sister is x/2

so  2(x + 2) -  x/2  = 40  ====>  4x + 8 - x = 80  ===>  3x = 72 ==> x = 24 

age of  A is 26 and age of B is 24

Answered by  | 10th Jan, 2009, 10:37: PM

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