After m months, the height of a plant is (10+3m) millimeters. How tall is the plant 8 months? Two years?

Answer 1

Height = 10 + 3m

After 8 months, m = 8 so:

Height = 10 + 3·8 = _____ mm?

Two years = 24 months, so m = 24:

Height = 10 + 3·24 = _____ mm?