Besides the elderly and retired, who can benefit from social security?

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.