Question

In speed skating, the distance of 10,000 meters consists of 25 laps. A skater sets the

goal of changing the distance completion time by (-10) seconds compared to the
previous personal best time. If the goal is accomplished, what will be the average
change in time per lap?
A.-0.25 seconds
B.-0.4 seconds
C.-2.5 seconds
D-400 seconds

Answer 1

B) -0.4 seconds

Explanation:

Laps: 25

Goal: -10 seconds to all 25 laps combined (10 seconds difference => -10)

divide by total laps

-10 /25 = -0.4s difference each lap