Mathematics, 23.04.2021 22:30 brittanysanders

a company found that an experienced surveyor can survey a roadbed in 4 hours. An apprentice surveyor needs 6 hours to survey the same stretch of road. If the two work together, find how long it takes them to complete the job

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a company found that an experienced surveyor can survey a roadbed in 4 hours. An apprentice surveyor...

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