Aaron pays his actuary membership fees each year. The membership fee increases yearly by $10. If he pays $80 in the first year, how much does his membership cost, in dollars, in the sixth year?
In year 2 he pays 80+10=$<T>add(80, 10)=90
In year 3 he pays 90+10=$<T>add(90, 10)=100
In year 4 he pays 100+10=$<T>add(100, 10)=110
In year 5 he pays 110+10=$<T>add(110, 10)=120
In year 6 he pays 120+10=$<T>add(120, 10)=130
