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Eight years from now,Oana will be twice as old as her brother is now. Oana is now 12 years old.How old is her brother now?

Eight years from now,Oana will be twice as old as her brother is now. Oana is now 12 years old.How old is her brother now?
201k views
2 votes
Eight years from now,Oana will be twice as old as her brother is now. Oana is now 12 years old.How old is her brother now?

User Rethic
by
8.2k points

2 Answers

1 vote
Let's use x for Oana's age and y for her brother's age. That means
2y = x + 8
And Oana is 12 so...
2y = 12 + 8 --> 2y = 20 --> y = 10
Oana's brother is 10 years old now.
User Saarah
by
8.3k points
3 votes
Her brother is 10 years old
User Heartyporridge
by
7.9k points
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