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Silvica2008200
a fost răspuns

x : y = 3/4 : 1/6       cu x + y = 11/42

Răspuns :

3/4:1/6=3/4*6=9/2.
x:y=9/2=> x=y*9/2.
inlocuim in x+y=11/42 si obtinem
11/2*y=11/42 => y=11/42*2/11= 1/21
y=1/21
x=9/2*1/21=3/14

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