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Mathematics, 25.04.2020 20:49 neriah30
A company found that an experienced surveyor can survey a roadbed in 6 hours. An apprentice surveyor needs 8 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...
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