SOLUTION: an experienced surveyor can survey a certain tract of land in 3 hours. a trainee takes twice as long. how long will be required if they work together.
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Question 737436: an experienced surveyor can survey a certain tract of land in 3 hours. a trainee takes twice as long. how long will be required if they work together.
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
1/3+1/6=1/x
2/6+1/6=1/x
3/6=1/x
1/2=1/x
x=2
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