How do you find the original price of an item, given the tax percent and the final cost ?

Hundred and tens tables to make 430 in five different ways

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

What is the slopeof the live that passes through the points and (-2,-5) and (3,-1)