Wayne is double the age of Fernando and one third as old as Didier who will be 48 years old in 6 years. How old is Fernando?
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let wayner's age be x, fernando age be y, didier age be z
then,x＝2y
x＝1/3z
didier will be 48 years old in 6 years that means in present his age is 48-6＝42 years
so,if z＝42
thenx＝1/3*42＝14 years
and, 14＝2y
so, y＝7
that means fernando's age is 7 years
then,x＝2y
x＝1/3z
didier will be 48 years old in 6 years that means in present his age is 48-6＝42 years
so,if z＝42
thenx＝1/3*42＝14 years
and, 14＝2y
so, y＝7
that means fernando's age is 7 years
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