A jewelry box has 10 items.Of those half are necklaces. Two-fifths of the others are bracelets. The rest are rings. What percent of the jewelry is rings
10 items total, and half are necklaces, so 5 necklaces. Of the remaining unknown 5 two fifths are bracelets, or 2 of the remaining 5. That leaves 3 left, and 3/10 as a percent is 30%.
