Answer:
James running speed is 5 Miles per hours
Explanation:
Given:
Length of the circular running track = 1/4 miles
Time Taken for Jane to make one complete lap = 1/20 of an hour
To Find:
James running speed = ?
Solution:
Let the speed at which James is running be X
then , we know that
![Speed = (Distance)/(Time)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ailgfscgsxg6gsnv86noa9ntzc9mum2vr0.png)
![Speed = ( (1)/(4) )/( (1)/(20) )](https://img.qammunity.org/2020/formulas/mathematics/middle-school/p6akq8wrfb7xoxke3erfng7ep6cyicah9w.png)
![Speed = (1)/(4) } *(20)/(1)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/ayunzvym1mp8wbru0zti37u0ig0o7u380q.png)
![Speed = (20)/(4)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/uzpjqwg11d3e2o3f0nvx2skv6jel04m2xo.png)
Speed = 5 Miles per hours