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Adrian = A = B + 70
Bruno = B
Luego:
B + 70 |__B
5
---------
10
Ecuacion:
5B + 10 = B + 70
4B = 60
B = 15
Por tanto:
B = 15 CANICAS
A = B + 70 = 15 + 70 = 85 canicas ..(Rpta)