Question

Katerina saves her quarters and dimes. She plans to exchange the quarters for paper money when the total value equals $10. Use the answers from part A to help you draw a graph showing all solutions to the equation.The answer for part A is 40 quarters equal $10 and 100 dimes equal $10.

Answer 1

Since you can only obtain exactly $10 if you have an even amount of quarters you will need to plot 2x + y. With 'x' being the quarters and 'y' being the dimes.