High School

Carl took 46.5 seconds to run around a track. His pervious best time was 50 seconds. What is his improvement as a presentage of his previous best time?

Answer :

Final answer:

To find Carl's improvement as a percentage of his previous best time, subtract his current time from his previous best time and then express that as a percentage.

Explanation:

To find Carl's improvement as a percentage of his previous best time, we need to calculate the difference between his previous best time and his current time, and then express that difference as a percentage of his previous best time.

First, we calculate the difference: 50 seconds - 46.5 seconds = 3.5 seconds.

Next, we calculate the percentage: (3.5 seconds / 50 seconds) x 100 = 7%.

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