Answer :
A: 21.
21 x 3 = 63
479 - 63 = 416
416/8 divides evenly into 52, which means the store sold 52 dozens of donuts and 21 dozens of donut holes.
21 x 3 = 63
479 - 63 = 416
416/8 divides evenly into 52, which means the store sold 52 dozens of donuts and 21 dozens of donut holes.