a)[tex] \frac{6}{5} *x=345....x= \frac{345*5}{6}.....x= \frac{1725}{6} .....
[/tex]
b)[tex] \frac{312}{100}*x=150.....x= \frac{15000}{312}.....x= \frac{1875}{39} [/tex]
c)[tex]1 \frac{4}{9}*x=63[/tex]......[tex] \frac{13}{9}*x=63[/tex].....[tex] x=\frac{63*9}{13} [/tex]......
37.pt ghiozdan:[tex] \frac{3}{8}*240 [/tex] ⇒ 3*30=90 lei
pt trening:[tex] \frac{4}{5} *[/tex]( 240-90)
⇒ pt trening:120 lei
pt carti:240-90-120=30 lei
