Answer :
Answer:221 min
Step-by-step explanation:
Given
Scott run 20 km in 85 minutes
Speed is given by
[tex]\Rightarrow \text{speed}=\dfrac{\text{distance}}{\text{time}}[/tex]
Speed of Scott
[tex]\Rightarrow v=\dfrac{20}{\frac{85}{60}}=\dfrac{20\times 60}{85}=14.117\ km/hr[/tex]
For 52 km, time taken is
[tex]\Rightarrow \text{time t}=\frac{52}{14.117}=3.683\ hr\ or\\\Rightarrow t=221\ min[/tex]