jessica runs 8 feet per second, debbie runs 637 ft in 49 secs, katie runs 1 mile in 511 secs and tony runs 550 ft in 1 min. Who runs the fastest?

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Mathematics

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3 June, 19:28

jessica runs 8 feet per second, debbie runs 637 ft in 49 secs, katie runs 1 mile in 511 secs and tony runs 550 ft in 1 min. Who runs the fastest?

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Answers (1)

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Mariela Carney · Answer 1

Let's convert everyone into feet per second (ft/s)

Jessica : 8ft/s

Debbie: 637ft/49s = 13ft/s

Katie: 5280ft/511s = 10.33ft/s (1 mile equals 5280 feet)

Tony: 550ft/60s = 9.16ft/s (1 mile equals 5280 feet, 1 minute equals 60 seconds)

Jessica runs the fastest.