Okay so if Roberto wants to save 1/6 of his allowance which is , $2.00 a day, he would need to divide his allowance by 6. This is because the problem is saying that he is gonna divide his money into 6 different piles, but he only wants to keep one of those piles. So if you divide $2 by 6 you get, .333.... repeating. Now all you have to do is round and that's your answer