Step-by-step explanation:
a)

b)

Step-by-step explanation:
You should pick the coin that is cheap but one that also has a high inflation value. You should graph out the rate of increase per year to see if the coins are worthy of investing upon
16: 8/25; 38%; .41
18: 84% 43/50; 7/8; .91
20: 26.8%; 2.26; 2 2/5; 2.62; 271%
22: 21/25= 84% so yes
Answer:
I think it's number 2 but I'm not sure