Question 32$K$ takes $30$ minutes less time than $M$ to travel a distance of $30$ miles. $K$ travels $\dfrac13$ mile per hour faster than $M.$ If $x$ is $K$’s rate of speed in miles per hour, then $K$’s time for the distance is:$\dfrac{x+\frac{1}{3}}{30}$$\dfrac{x-\frac{1}{3}}{30}$$\dfrac{30}{x+\frac{1}{3}}$$\dfrac{30}{x}$$\dfrac{x}{30}$