x is thrice as old as y . four years ago x's age was four times y age. tje present age of x is
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Answer:
Let the present age of A be y and of B is x
So according to 1
st
condition
⇒4(x−5)=y−5
⇒4x−20=y−5
⇒y=4x−15.....(i)
Now according to 2
nd
condition
⇒5+y=2(x+5)
∴5+(4x−15)=2(x+5)
∴x=10
now from eq. (i) we get,
⇒y=25
∴ y=25 and x=10
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