Respuesta :

reinhard10158

Step-by-step explanation:

x = current age in years

x + 20 = 4x

20 = 3x

x = 20/3 = 6 2/3

a year has 12 months.

2/3 of 12 is 2×12/3 = 2×4 = 8 months.

so,

x = 6 years and 8 months.

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