Question

A blue spruce grows an average of 6 inches per year and a hemlock grows an average of 4 inches per year.

Answer 1

Answer:

It will take 12 years for the trees to be at the same height.

Step-by-step explanation:

Answer 2

Answer:

12 years

Step-by-step explanation:

blue spruce = 0.5 ft/yr & 4 ft tall

Hemlock = 0.33 ft/yr & 6 ft tall

x = number of years

spruce       hemlock

(4+0.5x)   =   (6+0.33x)

0.17x = 2

12 years