11 In 2011 a total of 1711 billion items were sent through t

11. In 2011, a total of 171.1 billion items were sent through the U.S. mail. Of these, 78.8 billion items were first class mail. What percent of the items, to the nearest tenth, were pieces of first class mail?

Solution

total of 171.1 billion items

Of these, 78.8 billion items were first class mail

Percent of first class mail = (78.8/171.1)*100 =0.4605*100 = 46.05%

= 46.1% (nearest tenth)