Respuesta:
Es 41
Explicación paso a paso:
Promedio = 2+7+10+x/4 = 15
Promedio = 19 + x / 4 =15
19 + x = 15(4)
x = 60 - 19
x = 41
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Respuesta:
Es 41
Explicación paso a paso:
Promedio = 2+7+10+x/4 = 15
Promedio = 19 + x / 4 =15
19 + x = 15(4)
x = 60 - 19
x = 41