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In a college dormitory,1/10 of the residents are juniors and 2/5 of the residents are sophomores. What fraction of the students at the dormitory are juniors and sophomores?
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In a college dormitory,1/10 of the residents are juniors and 2/5 of the residents are sophomores. What fraction of the students at the dormitory are juniors and sophomores?

User Mahdi Ghafoorian
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1/2 of the students in the dormitory are sophomores and juniors. Hope this helps :)
In a college dormitory,1/10 of the residents are juniors and 2/5 of the residents-example-1
User Meyssam Toluie
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