Chimbusco Pan Nation Petro-Chemical interview questions

what is the biggest challenge in your life, and how you overcome it?

Last month a certain music club offered a discount to preferred customers. After the first compact discpurchased, preferred customers paid $3.99 for each additional compact disc purchased. If a preferredcustomer purchased a total of 6 compact discs and paid $15.95 for the first compact disc, then the dollaramount that the customer paid for the 6 compact discs is equivalent to which of the followingq?