During the Labor Day weekend, Amy and Kathleen each ran in a race. Amy ran in a 5K and completed it in 31 minutes and 15 seconds. Kathleen ran in a half-marathon, which is 21.1 kilometers, and completed it in 2 hours, 11 minutes, and 52.5 seconds.

Let d represent distance in kilometers, r represent the rate, and t represent time in minutes. The proportional relationship

Question

Maximus Stewart

Mathematics

22 August, 03:58

During the Labor Day weekend, Amy and Kathleen each ran in a race. Amy ran in a 5K and completed it in 31 minutes and 15 seconds. Kathleen ran in a half-marathon, which is 21.1 kilometers, and completed it in 2 hours, 11 minutes, and 52.5 seconds.

Let d represent distance in kilometers, r represent the rate, and t represent time in minutes. The proportional relationship

+2

Answers (1)

Know the Answer?

Braiden · Answer 1

Velocity=distance/time

a=5 / (31*60+15) = 5/1875=1/375

k=21.1 / (2*3600+11*60+52.5) = 21.1/7912.5=1/375

a=k

The both ran at the same speed.

(1km/375s) (3600s/h) = 9.6km/h