Răspuns :
a + b = 50
a/4 = b/6 = (a+b)/10 = 50/10 = 5
a = 4x5 = 20
b = 6x5 = 30
a/4 = b/6 = (a+b)/10 = 50/10 = 5
a = 4x5 = 20
b = 6x5 = 30
[tex]x+y=50 \\
\frac{x}{4} = \frac{y}{6} =k \\
\frac{x}{4}=k=\ \textgreater \ x=4k \\
\frac{y}{6} =k=\ \textgreater \ y=6k \\
4k+6k=50=\ \textgreater \ 10k=50=\ \textgreater \ k=5 \\
x=4*5=20 \\
y=6*5=30 \\
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[/tex]