Respuesta :

r >= 8 because 5r-6r <= -8 ----> -r <= -8 ---->
----> r >= 8

Answer: 8, 9, and 10

Explanation: 5 x 8 = 40; 6 x 8 = 48 - 8 = 40 that's 8

                                            5 x 9 = 45; 6 x 9 = 54 - 8 = 46 that's 9

                                           5 x 10 = 50; 6 x 10 = 60 - 8 = 52 that's 10