the complete question in the attached figure
Let
y ----------> the height of trees after they have been planted in inches
x ----------> the height of the trees in the pot in inches
A--------> the point (30,18)
B--------> the point (36,24)
Step 1
Find the slope m AB



Step 2
with m=1 and the point A find the equation of the line

Step 3
For

Find the value of y

therefore
the answer is
the height of a tree is
