Răspuns :
a+b=960
a/b=4/6=2/3
3a=2b
b=3a/2
a+3a/2=960
2a+3a=1920
5a=1920
a=384
b=960-384=576
a/b=4/6=2/3
3a=2b
b=3a/2
a+3a/2=960
2a+3a=1920
5a=1920
a=384
b=960-384=576
[tex]\rm a+b=960|*2 \\ \\
\frac{a}{b}= \frac{4}{6}^{(2}= \frac{2}{3} \longrightarrow 3a=2b \\ \\
2a+2b=1920 \\ \\
2a+3a=1920 \\ \\
5a=1920 \\ \\
\boxed{\rm a=384} \\ \\
b=960-384 \\ \\
\boxed{\rm b=576}[/tex]