Internet Audience At the end of a certain year, the four companies with the largest number of home Internet users in the United States were Microsoft, Time Warner, Yahoo, and Google, with a combined audience of 284 million users. Taking x to be the Microsoft audience in millions, y the Time Warner audience in millions, z the Yahoo audience in millions, and u the Google audience in millions, it was observed that zu=3(x y) + 28 x+y=44 +z+u and xy + zu = 52. How large was the audience of each of the four companies at the end of that year? Microsoft Time Warner Yahoo Google