The number of people in class 61 is 2 / 25 more than that in class 62. There are four more people in class 61 than that in class 62. How many people are there in class 61 and class 62?

The number of people in class 61 is 2 / 25 more than that in class 62. There are four more people in class 61 than that in class 62. How many people are there in class 61 and class 62?

The number of class 62 multiplied by 2 / 25 = 4
Class 62: 4 divided by 2 / 25 = 4 times 25 / 2 = 50
Class 61: 50 + 4 = 54