Question

O persoana a depus la banca suma de 50000 lei. Dobanda bancii este de 6,5% pe an.
Aflati ce suma va avea la banca acea persoana dupa un an.

Answer 1

$6,5\% \to 6 \frac{\not5}{\not10} \%= 6\frac{1}{2}\%= \frac{13}{2}\%= \frac{13}{2}* \frac{1}{100}\to \frac{13}{200} \\\\\\ \frac{13}{200} \ din \ 50000= \frac{13}{200}*5000= 13*25\to \boxed{325} -dobanda \\\\ 50000+325\to \boxed{\boxed{50325 \ lei - dupa \ un \ an} }$