In November 2003, the Four Companies with the Largest Number $\chi$

question 110

Multiple Choice

In November 2003, the four companies with the largest number of home Internet users in the US were Microsoft, Time Warner, Yahoo, and Google, with a combined audience of 274 million users. Taking $\chi$ 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
$\begin{array} { l } z - u = 3 ( x - y ) + 6 \\x + y = 56 + z + u \\x - y + z - u = 50\end{array}$

How large was the audience of each of the four companies in November, 2003 (All amounts in millions.)

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Definitions:

Actual Direct Labor Rate

The actual amount paid per hour to workers who are directly involved in the production of goods or services.

Labor Rate Variance

The difference between the actual cost of direct labor and the standard cost, indicating how well the company is managing its labor costs.

Direct Labor Standards

The expected amount of time and wage rate for workers to complete a unit of production.

Labor Efficiency Variance

A measure of the difference between the actual hours worked and the standard hours expected to produce a certain level of output.