Starting at noon, Kennedy observed the amount of snow on her lawn during a blizzard. She wrote an equation to represent 8, how many inches of snow were o lawn: 8 = 0.012x + 4.5, where a represents the number of minutes past noon What could the number 4.5 represent in the equation? The amount of snow on the lawn when the blizzard ended. How much more snow is added to the lawn every minute. The amount of snow on the lawn at noon. The amount of snow on the lawn at 12:01 p.m.