Answer:
The Quick answer is B.
Step-by-step explanation:
Given :
After 4 days, a plant is measured to be 10 inches tall.
Later, after a total of 20 days, then height is measured to be 18 inches.
To Find :
The rate of growth for the plant.
Solution :
We know, rate is given by :

Therefore, rate of increase of height is 0.5 inch/day .
Hence, this is the required solution.
It's right there in the question, staring back at you. " /100 " means "percent". "20/100" means "20 percent".
The coordinates are 8, -3.