有百分之几的学生完全不锻炼？

What percent of the students do not exercise at all?

这个项目的完成度是百分之几？

What percent of the project is completed?

这家商店的折扣是百分之几？

What percent is the discount at this store?

这次会议的出席率是百分之几？

What percent was the attendance at the meeting?

误差范围在百分之几的十分之一以内。

The error margin is within tenths of a percent.

你每天的工作时间有百分之几是用来开会的？

What percent of your workday is spent in meetings?

你知道这个班级有百分之几的学生通过了考试吗？

Do you know what percent of students in this class passed the exam?

缺席的学童占百分之几?

What percentage of children were absent?

识字的人占人口的百分之几?。

What percentage of the population read(s) books?

带回来需要交百分之几的关税呢？

Brought back the need to pay a few percentage points tariffs?