At one store a pair of jeans costs $29 and a shirt cost $25. At a different store the same kind of jeans costs $26 and the same kind of shirt costs $20. The answer is 29j-26j+25s-20s=3j+5s. What is the question?

The question would be: "What is the difference in total cost between buying a pair of jeans and a shirt at the first store versus buying the same items at the second store?"