pattyhot2 pattyhot2

12-10-2016
Mathematics

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Karl needs 15 minutes to do 10 questions. He needs to do 45 questions. how long will it take him?

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Аноним Аноним

12-10-2016

67.5
15 divided by 2 is 7.5
15x4 =60
60+7.5 =67.5

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