Juan is a gold medalist in athletics. In the month of May, if Juan takes 9 seconds to run y yards, how many seconds will it take him to run x yards at the same rate?
Choose the correct choice from the following answers:
A) 10x/y B) 11x/y C) 9x/y D) 12x/y E) 13x/y
velocity=distance/time;   since he ran at same rate both d tyms,   y/9=x/t   so t=9x/y   ANSWER:9x/y
<result>C</result>
Juan is a gold medalist in athletics. In the month of May, if Juan takes 9 seconds to run y yards, how many seconds will it take him to run x yards at the same rate?