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Calcula a + m , si a - m = 10 ; b + n = 30 b - n = 20 y a / b = m / n?

Calcula a + m , si a - m = 10 ; b + n = 30 b - n = 20 y a / b = m / n.

En resumen

Saludos b + n = 30 b - n = 20 entonces b + n + b - n = 30 + 20 2b = 50 b = 25 25 + n = 30 n = 5 luego a / 25 = m / 5 entonces a = 5m a - m = 5m - m = 4m = 10 m = 2, 5 a = 12, 5 Efectivamente a / b = 12, 5 / 25 = m / n = 2, 5 / 5 a = 12, 5 b = 25 m = 2, 5 n = 5.

Mejor respuesta

EvelinDirce
3

Saludos

b + n = 30 b - n = 20 entonces b + n + b - n = 30 + 20

2b = 50 b = 25 25 + n = 30 n = 5 luego

a / 25 = m / 5 entonces a = 5m

a - m = 5m - m = 4m = 10 m = 2, 5 a = 12, 5

Efectivamente

a / b = 12, 5 / 25 = m / n = 2, 5 / 5

a = 12, 5 b = 25 m = 2, 5 n = 5.