Answer: 29
Step-by-step explanation: You have 3+2 that = 5 then you get that 5 and x that by 6 that = 30 then you - 30 from 1 then you have 29
820=P(1.05)^3
P=708.35
I'm sorry I don't know how explain but that is the answer to the problem; 708.35
Answer:it is going up by 3 each time
Source:trust me bro