two years ago the Father is three times to his son and after two years twice his age will be equal to five times to son . find their present ages
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let father age be x and son age be y
2 years ago is x-2,y-2 2 years hence is x+2, y+2
now ATGS( acc.to given statement)
x-2=5(y-2) x+2+3=3(y+2)
x-2=5y-10 x+5=3y+6
x-5y= -10+2 x-3y=6-5
x-5y= -8 [eq. 1] x-3y=1
x=3y[eq.2]
substitue eq2 in eq1
3y-5y= -8
-2y= -8
y=4
Substiute y=4 in eq2
x=3*4
x=12
2 years ago is x-2,y-2 2 years hence is x+2, y+2
now ATGS( acc.to given statement)
x-2=5(y-2) x+2+3=3(y+2)
x-2=5y-10 x+5=3y+6
x-5y= -10+2 x-3y=6-5
x-5y= -8 [eq. 1] x-3y=1
x=3y[eq.2]
substitue eq2 in eq1
3y-5y= -8
-2y= -8
y=4
Substiute y=4 in eq2
x=3*4
x=12
annu4410:
hmm
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