Question

About 46.2 billion pieces of unopened junk
mail ends up in landfills each year. This is about 44% of
all the junk mail that is sent annually. How many pieces
of junk mail are sent annually?

Answer 1

46.2 = .44x x is the number of pieces of junk mail sent annually.

divide both side by .44

105 = x so there are 105 billion pieces of junk mail sent annually.