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  • 14:37, 22 November 2017 (diff | hist) . . (+253). . N 2017 AMC 8 Problems/Problem 23(Created page with "From the question <cmath>\dfrac{60}{x},\dfrac{60}{x+5},\dfrac{60}{x+10},\dfrac{60}{x+15}\in \mathbb{N}</cmath> and by simple guess and check, the answer is <cmath>\dfrac{60}{5...")