Respuesta:
54
Explicación paso a paso:
Razón aritmética: A - B = 30
Razón geométrica: A/B = 7/2
A 7 = 7k
B 2 = 2k
A - B = 30
7k - 2k = 30
5k = 30
k = 6
A = 7(6) = 42
B = 2(6) = 12
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Respuesta:
54
Explicación paso a paso:
Razón aritmética: A - B = 30
Razón geométrica: A/B = 7/2
A 7 = 7k
B 2 = 2k
A - B = 30
7k - 2k = 30
5k = 30
k = 6
Reemplazando:
A = 7(6) = 42
B = 2(6) = 12
Sumamos!!!! A+B = 54