.
11.5% = 0.115.
Therefore, your equation is
0.115x = 20700.
Hence, x = = 180,000 dollars is the total of the house.
There is a bunch of lessons on percentage problems
- Percentage problems
- Percentage word problems (Type 1 problems, Finding the Part)
- Percentage word problems (Type 2 problems, Finding the Rate)
- Percentage word problems (Type 3 problems, Finding the Base)
- More complicated percentage problems
- Problems on percentage that lead to unexpected results
in this site.