Question

If John ran a 5-kilometer marathon, how long was that in meters? A. 500 m B. 1000 m C. 5,000 m D. 50,000 m

Answer 1

the answer is c- 5,000

Answer 2

1)D kilo means thousand, so one kilometer is i/1000th of a meter 
2)Aren't you supposed to multiply it by 12 since there are 12 inches in a foot? 
3)B 3Ft=1 yard