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In school the libary gets painted every 2 years, the cafeteria every 3 years and classrooms every 4 years. If they were painted in 2010, when is the next time they will all be painted in the same year?
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In school the libary gets painted every 2 years, the cafeteria every 3 years and classrooms every 4 years. If they were painted in 2010, when is the next time they will all be painted in the same year??

A: 2012

B: 2034

C: 2022

D: 2019

please help no one will help me and I can't handle getting another F in math ;^;

User Umar Khan
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2 Answers

3 votes
The answer is C. hope this helps
The person before me was correct
User Jbabey
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In a problem like this, you're looking for the lowest common multiple. Each number needs to bet multiplied into the smallest number where they all fit. So in this case, 12 years later because 12 is the lowest common multiple. Therefore, in 2022
User Luca Ferraro
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