Question

Aflati 5% din numerele : 20;75;545;3400; - 2300 ;  7200 ; 18000; 1000; 1700; 12300 ; 13500 . 


Ajutor 

Answer 1

20:100*5=1
75:100*5=3,75
545:100*5=27,25
3400:100*5=170
-2300:100*5=(-115)
7200:100*5=360
18000:100*5=900
1000:100*5=50
1700:100*5=85
12300:100*5=615
13500:100*5=675

Answer 2

5/100*20=1
5/100*75=3,75
5/100*545=27,25
5/100*3400=170
5/100*-2300= -115
5/100*7200=360
5/100*18000=900
5/100*1000=50
5/100*1700=85
5/100*12300=615
5/100*13500=675