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solmaris [256]
3 years ago
12

the company found that an experienced surveyor can survey a roadbed in 5 hours. An apprentice needs 8 hours to survey the same s

tretch of road. If the two work together, find how long it takes them to complete the job.
Mathematics
1 answer:
dedylja [7]3 years ago
7 0
40 hours is the answer
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