At the end of a certain year, the four organizations ranking 5 through 8 in home Internet users in the United States were eBay, the U.S. Government, Amazon, and Lycos, with a combined audience of 112 million users. Taking x to be the eBay audience in millions, y the U.S. Government audience in millions, z the Amazon audience in millions, and u the Lycos audience in millions, it was observed that y − z = z − u x − y = 3(y − u) + 1 and x − y + z − u = 8. How large was the audience of each of the four organizations at the end of that year? eBay, U.S. Government, Amazon, Lycos
At the end of a certain year, the four organizations ranking 5 through 8 in home Internet users in the United States were eBay, the U.S. Government, Amazon, and Lycos, with a combined audience of 112 million users. Taking x to be the eBay audience in millions, y the U.S. Government audience in millions, z the Amazon audience in millions, and u the Lycos audience in millions, it was observed that y − z = z − u x − y = 3(y − u) + 1 and x − y + z − u = 8. How large was the audience of each of the four organizations at the end of that year? eBay, U.S. Government, Amazon, Lycos
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.EA: Extended Application Using Extrapolation To Predict Life Expectancy
Problem 7EA
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At the end of a certain year, the four organizations ranking 5 through 8 in home Internet users in the United States were eBay, the U.S. Government, Amazon, and Lycos, with a combined audience of 112 million users. Taking x to be the eBay audience in millions, y the U.S. Government audience in millions, z the Amazon audience in millions, and u the Lycos audience in millions, it was observed that
| y | − | z | = | z − u | |||||
| x | − | y | = | 3(y − u) + 1 | |||||
| and | x | − | y | + | z | − | u | = | 8. |
How large was the audience of each of the four organizations at the end of that year?
eBay, U.S. Government, Amazon, Lycos
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