Question
Julian's timing for swimming in his first four heats were 51 s, 45 s, 45 s, and 47 s. He wishes to improve his overall average timing by 2 s. What timing must he clock in the fifth heat?
2 m

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Julian's timing for swimming in his first four heats were 51 s, 45 s, 45 s, and 47 s. He wishes to improve his overall average timing by 2 s. What timing must he clock in the fifth heat?