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Edad Janet = y
x/y = 8/6 = 4/3
x/y = 4/3
2x+3y= 136
x = 136 / 2 - 3y/2
x= 68 - 3y/2
(68 - 3y/2) / y = 4/3
4y = 3( 68 - 3y/2)
4y= 204 -9y/2
8y/2 + 9y/2 = 204
17y/2 = 204
y = 204 * 2 /17
y=24
x= 68 - 36
x= 32
Edades: 32 y 24 años respectivamente