SOLUTION: You have taken over an abandoned project of drilling a water well. You find that you are able to drill 4.2 feet per hour. After 3 hours of drilling, the depth is 33.4 ft. How man

SOLUTION: You have taken over an abandoned project of drilling a water well. You find that you are able to drill 4.2 feet per hour. After 3 hours of drilling, the depth is 33.4 ft. How man

Algebra.Com

Question 693957:
You have taken over an abandoned project of drilling a water well. You find that you are able to drill 4.2 feet per hour. After 3 hours of drilling, the depth is 33.4 ft. How many hours will it take you to reach 109 feet?
Answer by checkley79(3341) (Show Source): You can put this solution on YOUR website!
109-33.4=75.6 feet to drill
75.6/4.2=18 hours to complete the job.
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