derioid2345 derioid2345

10-08-2017
Mathematics

contestada

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?

Respuesta :

scottstevens00 scottstevens00

10-08-2017

Her brother is 10 years old

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equestriangirl131 equestriangirl131

10-08-2017

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.

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