Respuesta:
B) 315
Explicación paso a paso:
E = [3SS(130) + 4CC(60)]/2
E = [ 3S(50) + 4C(30)]/2
E = [3(130) + 4(60)]/2
E = [ 390 + 240]/2
E = 630/2
E = 315
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Respuesta:
B) 315
Explicación paso a paso:
E = [3SS(130) + 4CC(60)]/2
E = [ 3S(50) + 4C(30)]/2
E = [3(130) + 4(60)]/2
E = [ 390 + 240]/2
E = 630/2
E = 315