Which variable causes a change in the other variable?
Independent Variable: p Dependent Variable: t
Practice makes perfect
We want to identify the independent and dependent variables of the given equation.
t=12p+12
This equation represents the total cost t of a meal with a tip of p percent. To identify which variable is independent and which is dependent, we need to analyze which variable causes a change in the other variable.
Independent Variable: Causes change in the dependent variable.
Dependent Variable: Changes because of the independent variable.
The percent p of the tip causes the total cost t of the meal to increase. In other words, the total cost t depends on the percent p of the tip. Therefore, p is the independent variable and t is the dependent variable.
