What the distance between (6, 2) and (1, 0)

Adriver from the university of florida women’s swimming and diving team is competing in the in ncaa zone b championships

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?

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.