Sisters

Sisters Zuzka Lenka and Vierka has save for a new bike. Zuzka save € 90, Lenka save € 90 and Vierka save € 82. Missing 30% gave them their mother. What is the price of the bike?

Result

x =  374.29 Eur

Solution:

$(90+90+82) => 70\% \ \\ x => 100\% \ \\ \ \\ x=(90+90+82)/(100-30)\cdot 100 = 374.29 \ \text{Eur}$

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