Chapter 3 - Section 3.5 - Exponential Growth and Decay; Modeling Data - Exercise Set - Page 509: 87

$$1100$$

Let $x$ be the computer’s price before the reduction. According to the information given in the question, we have$$x-\frac{60}{100}x=440 \quad \Rightarrow \quad 10x-6x=4400 \quad \Rightarrow \quad 4x=4400 \quad \Rightarrow \quad x=1100.$$