Question

What is the solution set for the given inequality if the replacement set for r is {5, 6, 7, 8, 9, 10}? 2r ≤ 3r – 8 A. {8, 9, 10} B. {5, 6} C. {5, 6, 7} D. {9, 10}

Answer 1

$2r\leq3r-8\\ r\geq8\\\Downarrow\\ \boxed{\{8,9,10\}}$