Question

Jim Ross is an automobile salesman who receives a salary of $500 per week plus a commission of 3 percent on all sales. During a 4-week period he sold $42,000 worth of cars. What were Jim's average earnings?

Answer 1

 the amount he spent on the first week is 

4*500 = 2000

total amount he earned by the commission

42000 * 0.03= 1260


then the total earning of the jim will be 

2000+1260= 3260