Question

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?

Answer 1

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