4. Danielle stayed in three different cities (Washington, D.C., Atlanta, Georgia, and Dallas, Texas) for a total of 14 nights. She spent twice as many nights in Dallas as she did in Washington. The total cost for 14 níghts (excluding tax) was $2200. Determine the number of nights that she spent in each city, Set up a system of equations and solve it using Gaussian Elimination. Cost per Night $200 $100 $150 Nights spent City Washington Atlanta Dallas

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