conversion of factors

Question

The world record for the 100-meter dash is 9.6 s. If the world record holding runner could maintain the same pace when running five kilometers, he would cover the distance in ______ minutes.

Answer 1

(100/9.6 m/sec)(60 sec/min) = 625 m/min

 

(5000 m)/(625 m/min) = 8 min