Smith Engineering is in the process of reviewing the salaries of their surveyors. During this review, the company found that an experienced surveyor can survey a roadbed in 4 hours. An apprentice surveyor needs 6 hours to survey the same stretch of road. If the two work together, find how long it takes them to complete the job.
Added by Riley R.
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An experienced surveyor can complete the job in 4 hours, so their rate is 1 job per 4 hours, or 1/4 job per hour. An apprentice surveyor can complete the job in 6 hours, so their rate is 1 job per 6 hours, or 1/6 job per hour. Show more…
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See Example 6. Smith Engineering found that an experienced surveyor surveys a roadbed in 4 hours. An apprentice surveyor needs 5 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 needs 7 hours to survey the same stretch of road. If the two work together, find how long it takes them to complete the job. Both surveyor together can complete the job in hr. (Simplify your answer. Type an integer, fraction, or mixed number.)
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