Question

about 55.2 billion pieces of unopened junk mails ends up in landfills each year . This is about 48% of all the junk mails that sent annually . How many pieces of junk are sent annually ?

Answer 1

let x = the number of junk mail sent annually

Answer 2

So

48% of total = amount that ends up in landfill

48% of x = 55.2

0.48x = 55.2

x = ??

Answer 3

what did you get?

Answer 4

x=115

Answer 5

115 billion pieces of junk mail is correct

Answer 6

thanks a lot for help

Answer 7

you're welcome