Which rational function models the time, y, in hours, that it takes the train to travel between the two cities at an average speed of x miles per hour? Y=x/6.4

Y=x/160

Y=6.4/x

Y=160/x

Mahnoor randomly selects times to walk into a local restaurant and observe the type of music being played she found that the restaurant was playing country 11 times rock & roll 17 times and blues 8 times use the observed frequencies to create a probability model for the type of music the restaurant is playing the next time mahnoor walks in.