alexisfoster alexisfoster

21-03-2017
Mathematics

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Kevin is 2 times as old as Gabriela. 12 years ago, Kevin was 6 times as old as Gabriela.
How old is Gabriela now?

Respuesta :

21-03-2017

k=2g and we are told k-12=6(g-12)

using the value k=2g in the second equation we have:

2g-12=6(g-12)

2g-12=6g-72

4g=60

g=15

Gabriela s now 15 years old.

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