Question

Greta is a member of a very small and deliberately low-profile organization called shower vocalists of America. She paid $45 in dues for each of her first 5 years as a member and $20 in dues each year after that. If Greta has paid a total of $485 in dues, for how many years has she paid $20 in dues?

Answer 1

22 years

Explanation:

What I did was subtract 45 from the amount she paid then divide that answer by 20.