Internet AudienceAt the end of a certain year, the four companies with the largest number of home Internet users in the United States wereMicrosoft,Time Warner,Yahoo, andGoogle, with a combined audience of 284 million users. Takingxto be the Microsoft audience in millions,ythe Time Warner audience in millions,zthe Yahoo audience in millions, anduthe Google audience in millions, it was observed that

zu=3(xy) +14

x+y=50+z+u

and xy+zu=50.

How large was the audience of each of the four companies at the end of that year?

Microsoft

Time Warner

Yahoo

Google