Respuesta :

Diana5674
The answer should be C

Because
k = 10 1/2 - 2 3/4
k = 10 (1×2)/(2×2) - 2 3/4
k = 10 2/4 - 2 3/4
k = 42/4 - 11/4
k = 31/4
k = 7 3/4

Final answer C) 7 3/4

Hope I can help :)

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