A company found that an experienced surveyor can survey a roadbed in 7 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. Both surveyor together can complete the job in hr. (Simplify your answer. Type an integer, fraction, or mixed number.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section: Chapter Questions
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A company found that an experienced surveyor can survey a roadbed in 7 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.
Both surveyor together can complete the job in hr.
(Simplify your answer. Type an integer, fraction, or mixed number.)
Transcribed Image Text:A company found that an experienced surveyor can survey a roadbed in 7 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. Both surveyor together can complete the job in hr. (Simplify your answer. Type an integer, fraction, or mixed number.)
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