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Michael Phelps, 18 time olympic gold medalist in swimming weighs 195 lbs and burns 1.0x10^3 calories per hour of swimming. His favorite subway sandwich, meatball marinara, has a nutritional value of 505 calories per serving (6inch). What percentage of a serving of this sandwich did Michael burn during his winning time of 1 minute 54 seconds in the 200-meter individual medley relay race?

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