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A teacher surveys her class of 27 students to learn how many enjoy playing the video game Mario Kart 7 (MK7) and its newer version Mario Kart 8 (MK8). She finds that 7 students play only version 7 and that 5 play only the newer version. If twice as many students play both versions as those that play neither version, how many students play Mario Kart 7? 

 Oct 10, 2020
 #1
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Draw a Venn diagram ....you should be able to see the answer:

 

 Oct 11, 2020

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