You can buy DVDs at a local store fro $15.49 each. You can buy them at an online store for $13.99 each plus $6 for shipping. How many DVDs can you buy for the same amount at the two stores?
The amount to pay for 6 CDS from Best Buys is... C = 15.49N = 15.49 X 6 = $92.94 The amount to pay for 6 CDS from Online Store is... C = 13.99N + 6 = 13.99 X 6 + 6 = $89.94 so ity shows that online you have benifit to purchase
