The expression:
![-3.5*5](https://img.qammunity.org/2023/formulas/mathematics/college/syw82nwqabldncv2z9b78oliehdanzw4gx.png)
Can be interpreted as the value of a certain stock that is decreasing each hour in a 5-hour period. Since the expression has a minus sign, it means that the stock is decreasing and since we are multiplying this amount of money decreasing by 5, we mean that it is going to decrease each hour for five hours.