Seudónimo Seudónimo

11-01-2017
Mathematics

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Solve for x. 5 1/4 + x + 6 5/6 + 4 2/3 = 22 1/6 A. 5 5/12 B. 6 1/2 C. 6 7/12 D. 7 1/2

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Аноним Аноним

11-01-2017

5 1/4 + x + 6 5/6 + 4 2/3 = 22 1/6

5 3/12 + x + 6 10/12 + 4 8/12 = 22 2/12
15 21/12 + x = 22 2/13
16 9/12 + x = 22 2/12
x = 22 2/12 - 16 9/12
x = 21 14/12 - 16 9/12
x = 5 5/12

answer is A. 5 5/12

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