5% van 820
= 1/5
= (208 ∙ 100) / 26
208 is 26% van ...
= 800
= 41
20%
10%
= 1/4
25%
12 %
= 1/10
= 20/100
= 0,12
376 van 433
= 25/100
= (376/433) ∙ 100
75%
= 10/100
= 3/4
= delen door 4, vermenigvuldigen met 3
= 75/100
= (820/100)∙5
= 12/100