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In a 75-minute study period, Ling needed to finish a research paper she spent 3/5 of the time finishing her paper how much time did she have left to complete her history homework?

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Beanie819
30 minutes :) I know this by adding 15 5 times to get 75. 3 times 15 is 45 plus 30 equals 75. Hope this helps. :) good luck on the test or assignment

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