Question

Paul is a salesperson who earns both a salary and a commission on units sold. In one week, he sold 25 units and earned $1,200. In another week, he sold 20 units and earned $1,075. Which of the following slope-intercept form equations models Paul’s weekly pay in terms of units sold?
A. y=25x+575
B. y = 25x + 1,200
C. y=-1/25x-68
D. y=1/25x-23