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11-05-2018
Mathematics

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Six years ago annabelle was twice as old as jason was. now, annabelle is four years older than jason. how old is jason now?

Respuesta :

13-05-2018

Now: a=j+4
6 years ago: Anabelle: a-6; Jason: j-6

[tex]a-6=2(j-6) \\ a=2j-12+6 \\ a=2j-6 \\ \\ j+4=2j-6 \\ 4+6=2j-j \\ j=10 \\ \\ a=2(10)-6 \\ a=14[/tex]

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