System of two equations in two variables

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Express the situation as a system of two equations in two variables. Be sure to state clearly the meaning of yourx- andy-variables. Solve the system by row-reducing the corresponding augmented matrix. State your final answer in terms of the original question.

For the final days before the election, the campaign manager has a total of$31,000to spend on TV and radio campaign advertisements. Each TV ad costs $3000 and is seen by 10,000 voters, while each radio ad costs $500 and is heard by 2000 voters. Ignoring repeated exposures to the same voter, how many TV and radio ads will contact110, 000 voters using the allocated funds?

x

 = 

 TV ads

y

 = 

radio ads

Reference no: EM131397392

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