1. v= 20 miles/hr
2. d = 45 miles
Further explanation
Velocity is a vector that has both magnitude and direction
Velocity is the ratio of distance per time
Can be formulated :
![\tt v=(d)/(t)](https://img.qammunity.org/2021/formulas/chemistry/high-school/4zmnilcw4rd7udfirgxhz3wjeqb9a9wf2a.png)
v , m/s
d , m
t, s
1. d = 40 miles
t = 2 hr
![\tt v=(40~miles)/(2~hr)\\\\v=20~miles/hr](https://img.qammunity.org/2021/formulas/chemistry/high-school/p7gcnaycoagesugru2q7cd6ymop1fy01sm.png)
2. maybe you meant the distance traveled
v = 15 miles/hr
t = 3 hr
![\tt d=v* t\\\\d=15* 3\\\\d=45~miles](https://img.qammunity.org/2021/formulas/chemistry/high-school/s33kinkyh7i76mwqrih9dlat5abu1wk0fm.png)