Question 1108423
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Here are two links for the solutions to TWIN problems.


https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.266220.html


https://www.algebra.com/algebra/homework/divisibility/Divisibility_and_Prime_Numbers.faq.question.1033955.html



Read these solutions and then create your own, based on these samples.