Beyonce and guns n roses had the two top-grossing north american concert tours for 2016, together generating $300 million in tickets sales. if guns n roses took in $38 million less than beyonce, how much did each tour generate?

Dana wants to identify the favorite professional baseball team of people in her community. she stands outside a local sporting goods store and asks every other person who enters, "what is your favorite professional baseball team? " will the results of her survey be valid? explain.