a. If Elmo has 2 quarters and a dime in his pockets, he can buy 1 soft drink. How many soft drinks can he buy if he has 4 quarters and 2 dimes? How many can he buy if he has 8 quarters and 4 dimes?
c. What happens if the machine starts taking any combinations of quarters and dimes? So now Elmo can put in any combination of quarters and dimes, all he needs is to pay the total price of Coke. Explain how the Indifference Curves will look now? Draw a couple of them in a new graph?