human
A store owner buys clothes wholesale and adds 80% to the wholesale price to set the retail price. The retail price of a pair of pants is $36. What is the wholesale price?
assistant
Define a variable ** Let X be the wholesale price.
Write an equation ** The retail price of a pair of pants is X + X*80% = $36.
Simplify ** Thus 1.8*X = $36.
Simplify ** Thus X = $36 / 1.8 = $20.
#### 20