Help i need an answer

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

The manager at gabriela's furniture store is trying to figure out how much to charge for a book shelf that just arrived. the book shelf was bought at a wholesale price of $ 1 4 7 . 0 0 $147.00, and gabriela's furniture store marks up all furniture by 6 0 % 60%. at what price should the manager sell the book shelf?

Use the intersect method to solve the equation x^2-1=-x^2+7