A well digger was trying to rescue a dog from a well 30 feet deep using a bucket. Each time he pulls up the rope 3 feet, it slides back 2 feet. How many times will he have to pull up the rope to bring the dog to the surface?

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A well digger was trying to rescue a dog from a well 30 feet deep using a bucket. Each ...

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Correct Answer: C

Explanation

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