promxo19 promxo19
  • 15-02-2017
  • Mathematics
contestada

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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MickeyMouseiLover
MickeyMouseiLover MickeyMouseiLover
  • 15-02-2017
40 hours is the answer
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