So, I also created a table, since for me this was faster and safer than venturing an equation. True, in many cases an equation is the only way to reach an answer in good time, but there is no reason to torture yourself with finding one if you have another option and you cannot readily come up with the correct equation! Right??

______A:60 - 3 per year____B: 0 + 4 per year

Year1______57_______________4

Year2______54_______________8

Year3______51_______________12

Year4______48_______________16

Year5______45_______________20

Year6______42_______________24

Year7______39_______________28

Year8______36_______________32

Year9______33_______________36