I think you count the squares in the middle or radius ?
So P stands for principle which is the amount of the original investment, R stands for rate which is the percent but must be turned into a decimal, T stands for time for example if the time was in a certain amount of months then you plug that in with x/12, and lastly I stands for interest which is the original investment outcome ^_^
Answer:
The average is around 75.5
Step-by-step explanation:
Answer: it is d becaues that is the mode
