Question
Archie's timing for swimming in his first five heats were 56 s, 55 s, 54 s, 58 s, and 42 s. He wishes to improve his overall average timing by 2 s. What timing must he clock in the sixth heat?
2 m

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Archie's timing for swimming in his first five heats were 56 s, 55 s, 54 s, 58 s, and 42 s. He wishes to improve his overall average timing by 2 s. What timing must he clock in the sixth heat?