You are shopping for school supplies. There is a sign at the front of the store advertising that you can either buy 4 binders and 4 notebooks for $17.00, or you can buy 2 binders and 6 notebooks for $15.50. Assume that the prices of binders an notebooks are constant. You have $30 total. I. 6 binders and 8 notebooks

II. 8 binders and 6 notebooks

III. 12 binders

Which of the following combinations can you afford?

I only

I and II

I and III

II and III