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The Shake Shack sells large and small shakes. A large shake costs $5, and a small shake costs $3. On Sunday, the Shake Shack had a total revenue of $479. Which equation can be used to represent x, the number of small shakes sold and y, the number of large shakes sold? 479x + 479y = 15 4x + 4y = 479 5x + 3y = 479 3x + 5y = 479...