Zahra is knitting items to sell at a craft fair. She has a total of 2,640 yards of yarn. A scarf uses 200 yards of yarn, and a hat uses 150 yards. She wants to knit a minimum of 15 items. This system of inequalities represents this situation, where x is the number of scarves and y is the number of hats. 200x 150y ≤ 2,640 x y ≥ 15 How many scarves and hats can Zahra knit to meet her goal? A. 10 scarves and 5 hats B. 7 scarves and 7 hats C. 6 scarves and 11 hats D. 5 scarves and 10 hats