A botanist uses the representations below to show the heights in inches, h, of different plants over a period of time, t. Plant A Time in weeks, t 60 80 100 120 Height in inches, h 90 120 150 180 Plant B If the growth patterns continue, how much taller is the tallest plant than the shortest plant at 120 weeks of growth? 180 inches 200 inches 270 inches 280 inches