The price of a mat is x USD from the start. Write an algebraic expression for the price in the following situations: a) After it's been reduced by 50%

b) After it's been reduced by 50% twice

c) After first being reduced by 60% and then 40%

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.