Y - y1 = m(x - x1) slope(m) = 1...because a parallel line will have the same slope (1,-5)...x1 = 1 and y1 = -5 now we sub y - (-5) = 1(x - 1) = y + 5 = 1(x - 1) <== u could leave that first " one " out if u want...
The maximum amount of glasses is 80; the solution cannot be more than 80; the number of glasses of lemonade and of iced tea cannot be more than 80 total.
