Mathematics, 12.08.2020 05:01, junielouwho

Please! David has several chains of length 5 and of length 7. By joining chains one after the other, David can create different lengths. Which of these lengths is impossible to make? A)10 B)12 C)13 D)14 E)15

Please! David has several chains of length 5 and of length 7. By joining chains one after the other

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Please! David has several chains of length 5 and of length 7. By joining chains one after the other,...