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
h = StartFraction 4 t Over 3 EndFraction

A graph has time (in weeks) on the x-axis and height (in inches) on the y-axis. A line goes through points (50, 150) and (120, 360).

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