In two years the value of a car chnaged from 14,000 to 11,200 what is the percent of change

For each expression use a property to write an equivalent expression.

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?