If x is an even integer and y is an odd integer than yn yis a rational number

Since the integers are closed under addition, . m C n C 1/ is an integer, and hence the last equation shows that x C y is even. Therefore, we Page 3 Appendix C. Answers for Exercises 539 have proven that if x and y are odd integers, then x C y is an even integer. P1 There exists an integer k m D 2k.

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if you explain the the question more correctly i might be able to answer this better

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47.28 or 47.2857143

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you just divide 331 by 7 and you get that answer. ( i think so tho)