Răspuns :
[tex] \frac{a}{ \frac{1}{3} }= \frac{b}{ \frac{1}{5} }
[/tex]⇔3a=5b
[tex]b= \frac{3a}{5} = \frac{60a}{100} [/tex]
Deci b=60% din a
[tex]b= \frac{3a}{5} = \frac{60a}{100} [/tex]
Deci b=60% din a