What is the simplified numerical value of (a + 11b)/(a - b) if (4a + b)/(a - 2b) = 5?
If (4a + 3b) / (a - 2b) = 5 then 4a + 3b = 5(a - 2b) 4a + 3b = 5a - 10b 13b = a Therefore, substituting 13b for a: (a + 11b) / (a - b) = (13b + 11b) / (13b - b) = 24b / 12b = 2