Jonathan goes to a store and purchases 3 pencils for $0.28 each, and x number of erasers for $0.38 each. write an expression that shows how much jonathan spent.

In 1995 america online had about 3000000 users over the next decade users are expected to increase from a few million to the tens of millions suppose the number of users increased by 150% by the year 2000 how many users will there be in the year 2000