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Mathematics, 18.11.2020 17:30 jambunny26

Swimmers best time in event is 53.87 seconds. On average, his best time decreases by 0.28 seconds each of the next five times he swims the event. Does he accomplish his goal of swimming the event in less than 52.5 seconds?

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Swimmers best time in event is 53.87 seconds. On average, his best time decreases by 0.28 seconds ea...
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