Răspuns:
[tex] \bf 10\% \times a = 60 \\ \\ \bf \frac{10}{100}^{(10} \times a = 60 \\ \\ \bf \frac{1}{10} \times a = 60 \\ \\ \bf \frac{a}{10} = 60 \\ \\ \bf a = 60 \times 10 \Rightarrow \red{ \boxed{ \bf a = 600} } [/tex]
