Five children divided some cakes equally. What percents of the cakes two of them could get in total? 
Overseas Competition->Knowledge Point->Word Problem Modules->Solving Problems Involving Fractions and Percentages->Finding the Rate
Five children divided some cake equally. Two of the children totally got $$\dfrac{2}{5}$$ of the cake and $$\dfrac{2}{5}=0.4 = 40\textbackslash\%$$. 