 
 <prompt> Casey takes 6 hours to complete a marathon race, while Zendaya takes 1/3 times longer to cover the same distance. What is the average time the two take to complete to race? 

Casey zai samu lokaci 6 hours don kammala wani rauni na marathon, duk da haka Zendaya ta samu 1/3 daga cikin lokaci da take dauka wani masu samun wani rauni. Me ya sauka lokacin da biyu suka kammala rauni? <response>: Zendaya ta samu 1/3 * 6 hours = 2 hours cikin zama domin kammala marathon.
Don kammala marathon, Zendaya ta samu 6 hours + 2 hours = 8 hours
Jami'in lokaci da su biyu suka kammala marathon shine 8 hours + 6 hours = 14 hours
Jami'in lokaci mai suna Casey da Zendaya suka kammala marathon shine 14 hours / 2 mutum = 7 hours/person.

The final answer: 7. 