32.
a= primul nr
120%a=120a/100=6a/5=al 2-lea numar
a+6a/5=120
5a+6a=600
11a=600
a=600/11=54,(54)
6a/5=600/11×6/5=65,(45)
33.100%+15%=115%
460 : 115%= 460 :115/100=400 piese
34.
100%+12%=112%
800 ×112%=896 lei
35.
100%-5%=95%
820,8:95%=864 lei
100%-4%=96%
864:96%=900 lei
36.
4k+6k+7k=51
17k=51
k=3
4k=4×3=12
6k=6×3=18
7k=7×3=21
37.
2k+3k+4k=72
9k=72
k=8
2k=2×8=16
3k=3×8=24
4k=4×8=32
