 
<translate> 40% na marbles suna da wasu launuka saboda 100 - 20 - 40 = 40. Abokin zai sami matsakaicin 2 sauran marbles masu launi saboda 5 x.4 = 2. Amsar ƙarshe: 2. <eng> 40% of the marbles are of other colors because 100 - 20 - 40 = 40. The friend will on average get 2 other colored marbles because 5 x .4 = 2.
The final answer: 2. 