How many ounces of trail mix are in a bag that weighs 0.681 kilograms? Input only numeric values. (1 pound = 0.454 kg and 1 pound = 16 ounces) (3 points)

0.681 kilograms is equal to 1.5 pounds (0.681 kg x 2.20462 lb/kg = 1.49965 lb).

Thus, a bag of trail mix that weighs 0.681 kilograms contains 16 x 1.5 = <<16*1.5=24>>24 ounces. Answer: \boxed{24}.