jehdjfbrhdudh33 jehdjfbrhdudh33 29-10-2021 Mathematics contestada Richard has a total of 60 marbles, of which 12 are red marbles. The percentage of green marbles is 5% more than the percentage of red marbles. What is the approximate number of green marbles? OA. 16 OB. 15 OC.18 OD. 21