# Aarav is 3 years younger than his sister keya. if the sum of their ages is 27 years, what are the present ages?

then aarav's age will be x-3

sum of their ages =27

=x+(x-3)=27

=x+x-3=27

=2x-3=27

=2x=27+3

=2x=30

=x=30/2

=x=15

therefore Keya is 15 years old

Aarav's age=x-3

=15-3

=12

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