Question

the age of the father twice the sum of his two children . After 20 years , his age will equal to the sum of ages of his children . Find the age of the father(From class 10 3rd chapter Pair Of Liner Equation In Two Variable)

Answer 1

Answer:

40

Step-by-step explanation:

Equ(1) F=2(S1+S2)

Equ(2) F+20=S1+S2+40

(2) => F=S1+S2+20

(1) on (2) =>2(S1+S2)=S1+S2+20

S1+S2=20

Then F=2(S1+S2)=2x20=40