Ellana already owns 9 necklaces, and additional neclaces are priced 2 for 1 dollar. How much money does Ellana need to spend on new necklaces in order to own a total of 49 necklaces?
Answer: $20 Explanation: She needs to buy 40 more necklaces because 49-9=40. Since the necklaces are priced at 2 for 1 dollar you would dived the number of necklaces she needs by 2 so 40/2=20, 20 dollars
