Question

Vaaaaa roggg!!!!!!!!!

Answer 1

a)

20%·200=40 premiul |

b) 200-40=160

25% ·160=1/4 ·160=40 premii ||

c) 200-40-40=120

40%·120=2·120:5=48 premii |||

d) 200-(40+40+48)=72 mentiuni

e) b-baieti

f-fete

b+f=200

b=3/2·f

3f/2+f=200

5f/2=200

f=400:5=80 fete

b=200-80=120 baieti