In a 300 m race A beats B by 22.5 m or 6 seconds. B's time over the course is:86 sec80 sec76 sec70 secNone
Question
In a 300 m race A beats B by 22.5 m or 6 seconds. B's time over the course is:86 sec80 sec76 sec70 secNone
Solution
The problem states that A beats B by 22.5 meters or 6 seconds in a 300 meter race. This means that B runs 22.5 meters in the time that A runs 300 meters.
We can set up a ratio to find out how long it takes B to run the full 300 meters.
If 22.5 meters takes 6 seconds, then 1 meter would take 6/22.5 = 0.2667 seconds (approximately).
Therefore, 300 meters would take 300 * 0.2667 = 80 seconds.
So, B's time over the course is 80 seconds.
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