Can somebody help me ?

never increase your weekly mileage by more than 10 percent over the previous week.

Explanation:

The 10-percent rule (10PR) is one of the most important and time-proven principles in running. It states that you should never increase your weekly mileage by more than 10 percent over the previous week. The 10PR gains its importance from the fact that the vast majority of running injuries are overuse injuries.

10% of voters in the former confederate states had to pledge allegiance to the United States in order to be readmitted.

Explanation:

This also emancipated the slaves, if the south was going to be free then the slaves had to be free as well. Ten percent of their voters pledged allegiance to the United States.

i think it is the third one.

nothing

hope this !