Astore purchased a dvd for $12.00 and sold it to a customer for 50% more than the purchase price. the customer was charged a 7% tax when the dvd was sold. what was the customer's total cost for the dvd?

a.$18.84

b.$19.26

c.$12.84

d.$18.42

Alocal hamburger shop sold a combined total of 601 hamburgers and cheeseburgers on friday. there were 51 more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday? a local hamburger shop sold a combined total of hamburgers and cheeseburgers on friday. there were more cheeseburgers sold than hamburgers. how many hamburgers were sold on friday?