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A runner’s best time for running 400 meters was initially 68 seconds. Today, the runner ran 400 meters in 66 seconds. If p represents the percent decrease in her running time from 68 seconds to 66 seconds,
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A runner’s best time for running 400 meters was initially 68 seconds. Today, the runner ran 400 meters in 66 seconds. If p represents the percent decrease in her running time from 68 seconds to 66 seconds, which proportion can be used to find p?

User Ornj
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It’s d, i just got it right lol:)))

User Rickp
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