juhi ,sareena and kirthi are cousins.juhi is 8 yrs old sareena is 3 times as old as juhi.also kirti is half as old as sareena.how old is kirti?
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let juhis p ace be x
and sareenas p age be y
by using given conditions
y+8=x and
x=y/3
put this value in first eqn
y+8=y/3
therefore y=12 and x=20
and sareenas p age be y
by using given conditions
y+8=x and
x=y/3
put this value in first eqn
y+8=y/3
therefore y=12 and x=20
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