A salesperson earns $450 per week plus 15% of her weekly sales. The
expression representing her earnings is 450+ 0.15x. Which of the following
describes the sales necessary for the salesperson to earn at least $600 in
one week?
O A. x≥ 3000
O
O C. x≤ 1000
D. x ≥ 1000
B. x≤ 3000