Question

ex:6si 7 dau coroana. ms

Answer 1

6. suma finala=suma initiala + dobanda= suma initiala(1+procent dobanda)
750000=600000(1+p)
1+p=750000/600000
1+p=75/60=5/4=1,25
p=25%
procentul de dobanda este 25%

7. x= nr elevilor din clasa
24%·x=6
x=6:24/100
x=6·100/24
x=100/4
x=25
in clasa sunt 25 elevi