Answer:
total revenue was $65,000
Explanation:
A small business had a total revenue this year = $81,900
This is 26% more than their total revenue the previous year.
Let the revenue of previous year be 'r'.
r + ( 26% of r ) = $81,900
r + ( 0.26r ) = 81,900
1.26r = 81,900
r =

r = 65,000
Their total revenue was $65,000 the previous year.