Respuesta :
Answer:
B. percent of increase or decrease.
Step-by-step explanation:
In percent problems, the term rate refers to the - percent of increase or decrease.
Rate is any number with % sign that is applied to the money.
For example- Suppose we have a principal amount of $5000 and we will be getting a quarterly interest of 5%, then the rate is the 5%.
It is a percent of increase or decrease. Like sometimes the rate goes up and sometimes it goes down.