Mathematics, 23.10.2020 20:50 KingD3474

A company found that an experienced surveyor can survey a roadbed in 6 hours. An apprentice surveyor needs 10 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 6 hours. An apprentice surveyor...