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3 years ago

15

a) Hace diez años las edades de Juan y Diego sumaban 36 años. Ahora Juan tiene el triple de la edad de Diego. ¿Cuál es la edad d

e cada uno ahora?

1 answer:

LUCKY_DIMON [66]3 years ago

4 0

Answer:

Juan: 42

Diego: 14

Step-by-step explanation:

(d - 10) + (j - 10) = 36

d + j -20 = 36

d + j = 56

j = 3d

d + 3d = 4d = 56

d = 56/4 = 14

j = 3d = 3(14) = 42

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