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Mathematics, 26.03.2021 22:00 kellysmith45

PLEASE HELP!! The time required to lay a concrete sidewalk varies directly as it length and inversely as the number of persons on the job. If it takes 6 hours and 30 minutes for 5 people to lay one block of sidewalk, how long would it take 4 people to lay 2 block of sidewalk?

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PLEASE HELP!! The time required to lay a concrete sidewalk varies directly as it length and inverse...
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