recall your d = rt, distance = rate * time.
j = Jaime's rate
so with the wind her rate is j + 4, and without the wind her rate is j - 4, we also know that she can do with the wind 34 miles and against it 18 miles all within the same amount of time of t hours.
![image](https://img.qammunity.org/2019/formulas/mathematics/middle-school/514j1k4fceqs4dwhuapcutztxupyd9gksu.png)