
1. 100% = 25
17% = х
х = 17*25:100 = 4.25
2. 25% = 60
100% = х
х = 100*60:25 = 240
3. 100% = 120
х = 36
х = 36*100:120 = 30%
4. 100% = 25
80% = х
х = 80*25:100 = 20 человек
5. 16% = 4
100% = х
х = 100*4:16 = 25 человек
6. 100% = 220
х = 27
х = 100*27:220 ≈ 12%