Fleece sold 40 neck warmers. Solid color neckwarmers sold for 9.90 each and print ones sold for 12.75 each. In?

all, 421.65 was taken for neck warmers. How many of each type were sold. Explain what the two equations for the system described by the problem you chose would be. Explain how you set up the equations and which method (Addition, Elimination, or Graphing) you would use to solve this problem. Thanks alot!!!