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