Respuesta:
30
Explicación paso a paso:
[tex]\frac{x}{y} = \frac{5k}{2k}[/tex] X = 5K ; Y= 2K
5k+2k=70 X=50 ; Y=20
7k=70
k=10
RAZON ARITMETICA
A - B = 50-20 =30
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Respuesta:
30
Explicación paso a paso:
[tex]\frac{x}{y} = \frac{5k}{2k}[/tex] X = 5K ; Y= 2K
5k+2k=70 X=50 ; Y=20
7k=70
k=10
RAZON ARITMETICA
A - B = 50-20 =30