Mathematics, 27.08.2019 05:30 kokilavani
The company found that an experienced surveyor can survey a roadbed in 5 hours. an apprentice 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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The company found that an experienced surveyor can survey a roadbed in 5 hours. an apprentice needs...
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