Answer:

Explanation:
Given :
The owner of the “CD Universe” website just bought 1000 CDs
Each CD cost $6.45. CD Universe decides to sell them to its customers for $12.95 each
To Find: What formula could be used to calculate the profit/loss, p, for selling n CDs?
Solution :
Cost of each CD is $12.95
Cost of 1000 CDs = 6.45*1000=$6450
Selling price of each CD = $ 12.95
So, Selling price of n CDs = $12.95n
So, formula could be used to calculate the profit/loss, p, for selling n CDs :

Hence formula could be used to calculate the profit/loss, p, for selling n CDs is
