Răspuns:
1.
15000___100%
25______x
x=2500/15000=0,1(6)%
2.
2100____100%
420_____x
x=42000/2100=20%
3.
37______100%
62______x
x=6200/37=167,(567)%
4.
40,5______100%
8_________x
x=800/40,5=19,753...%
5.
12_______100%
2,5______x
x=250/12=20,8(3)%
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