Transfer 15% of the number of people in class one to class two. At this time, the number of people in the two classes is equal. The ratio of the number of people in class one to that in class two is () A. 5:3B. 5:4C. 5:9D. 3:5

Transfer 15% of the number of people in class one to class two. At this time, the number of people in the two classes is equal. The ratio of the number of people in class one to that in class two is () A. 5:3B. 5:4C. 5:9D. 3:5

1: (1-15 × 2) = 1:35 = (1 × 5): (35 × 5) = 5:3, so a