Final answer:
To determine the order in which Ari, Beth, and Cathy walked, we compare their times spent walking. The correct order is Beth, Ari, Cathy.
Step-by-step explanation:
The question asks us to list Ari, Beth, and Cathy in order of the times they spent walking from least to greatest. We are given information about the distances and times each person walked. Let's organize the information:
Ari walked distance: 3.95 km, time: 48 min.
Beth walked distance: 2.65 km, time: 31 min.
Cathy walked distance: 6.50 km, time: 81 min.
To determine the order, we need to compare the times spent walking. From least to greatest, the order is: Beth, Ari, Cathy. Therefore, the correct answer is (c) Beth, Cathy, Ari.