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Mathematics, 03.03.2021 19:20 taylorannsalazar

A teacher divided the class into two groups of equal size. β…— of the first group are right-handed. 80% of the second group are right-handed. What fraction of the class is right-handed? 8/9
β…˜
7/10
5/7

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A teacher divided the class into two groups of equal size. β…— of the first group are right-handed. 80...
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