Some Rare Magic/Pokemon trading cards increase $20 in value every year. If a card was bought at $15, how much would it be worth after 36 years? Round answers to two decimal places.

1 answer

Now ---- 15
after year 1---- 15+20
after year 2 --- 15 + 2(20)
after year 3 ---- 15 + 3(20)
..
after year 36 .........