Ivan is a software salesman. His monthly salary is $1600 plus an additional $ 120 for every copy of English is Fun he sells. Let S represent his total salary this month (in dollars), and let /V represent the number of copies of English is Fun he sells. Write an equation relating S to NV, and then graph your equation using the axes below. 2750- 2500 - . . ! . TH . . . . . -.! . . . . .. .. . .. .. . .......... . . .. 2000 -. Equation: 1750-+ . . .. . .!. . . . . . . . .. 0=0 X 00 5 ? 1500- . .. . . ! . . . . . . . . 1250- . . . . .. . X ? ". .. . . . . .. . 1000- . . .. ... 750- . .. . . .. . ... . .. . 500 -+ . . . . . . 250