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A lizard is at the bottom of a 19​-foot well. Each day it crawls up 5 ​feet, but each night it slips back 4 feet. After how many days will the lizard reach the top of the​ well?
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A lizard is at the bottom of a 19​-foot well. Each day it crawls up 5 ​feet, but each night it slips back 4 feet. After how many days will the lizard reach the top of the​ well?

User Mockash
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1 Answer

7 votes
it travels a foot each day so it would take 20 days to fall back down to 19
User Shijie Xu
by
8.2k points
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