Staples now sells their own notebooks. Making notebook has a fixed factory cost of$6,000 and a per unit cost of $0.58 per notebook. Staples sells these notebooks for $3.99 each. As a function of the number of notebooks staples sells (n), write an equation for Staples’ profit P(n). How many notebooks does Staples need to[…]

Sarah goes to Staples and buys 8 notebooks, on sale for 15% off. The notebooks are subject to a 7.5% New Jersey sales tax. The final price of one notebook is 2.98. What was the original price?

Staples also sells pens. Pens ordinarily cost $1.55 each. This month, they are on sale in Vermont for 18% off, but are subject to an 8% sales tax. What is the final price of the pens?