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 z - u = 3(x - y) + 20 x + y = 46 + z + u and x - y + z - u = 48. How large was the audience of each of the four companies at the end of that year? Microsoft Time Warner Yahoo Google

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 z - u = 3(x - y) + 20 x + y = 46 + z + u and x - y + z - u = 48. How large was the audience of each of the four companies at the end of that year? Microsoft Time Warner Yahoo Google

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

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
z - u = 3(x - y) + 20
x + y = 46 + z + u
and x - y + z - u = 48.
How large was the audience of each of the four companies at the end of that year?
Microsoft
Time Warner
Yahoo
Google

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