Czech crowns

Oldrich has one crown. Peter has five crowns coin, a two crown coin and a one-crown coin. Radek has twenty-crown banknote, ten banknote and five-crown coin. The boys got one fifty-one crown and one crown coin. How can they share the money fairly when they can not change the coins?

Result

x =  17 Kc

Solution:

a=50+1=51 x=a/3=51/3=17 Kc O1=1 P1=5+2+1=8 R1=20+10+5=35a=50+1=51 \ \\ x=a/3=51/3=17 \ \text{Kc} \ \\ O_{1}=1 \ \\ P_{1}=5+2+1=8 \ \\ R_{1}=20 + 10 + 5=35

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