Equation would be: Y = 25 + 5x Where, x = number of weeks So, when x = 1, Y = 25 + 5(1) = 25+5 = 30 When x = 2, Y = 25 + 5(2) = 25 + 10 = 35 x = 3, Y = 25 + 5(3) = 25 + 15 = 40
So, Mark the coordinates: (0, 25), (1, 30), (2, 35), (3, 40), (4, 45), (5, 50)... And draw a line...Graph is done!