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5740=7*n %2B 14*(n/2) - 7 |
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Answer» 5740 = n/2 * 14 + 7n - 7 7n + 7n - 7 = 5740 7(n + n - 1) = 5740 2n - 1 = 5740/7 2n = 820 + 1 n = 821/2 n = 410.5 |
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