求翻译：在我们班里有四十五个人，其中，有二十三人步行，占全班人数的百分之四十五。骑自行车占全班人数的百分二十四，有十一人。坐车有六人，占全班人数百分之十三。坐公共汽车的和其他方式的加起来正好有十人，占全班人数的百分之十。是什么意思？

There were 45 people in our class, of which 23 were walking, 45% of the total class size. Cycling accounted for 24 per cent in the number of the class, there were 11 people. Ride has six people, accounting for 13% of the class number. Buses and other forms of add up exactly ten people, per cent of the number of the class 10%.