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how many robots

Dr Gosh built a robot that can make other robots. It can make one robot per month and each new robot learns to make robots after 1 month. If the first robot begins making robots on January 1, how many robots will there be at the end of the year?

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Larry C. | Computer Science and Mathematics professionalComputer Science and Mathematics profess...
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You would have 2 robots the beginning of February, one of which hasn't learned how to make robots yet. 3 robots beginning of March, 2 of which can now make robots. 5 robots in April, 8 in May, etc.