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The number of people a 9x13 sheet cake will feed depends on the serving size you plan to offer. A general rule of thumb is to cut the cake into 2-inch by 2-inch (5cm by 5cm) pieces for a standard serving size.

Assuming you cut the sheet cake into these standard-sized pieces, you can estimate the number of servings as follows:

Area of the cake = Length × Width = 9 inches × 13 inches = 117 square inches

Now, let's calculate the number of servings:

If you cut the cake into 2-inch by 2-inch pieces, each piece's area would be 2 inches × 2 inches = 4 square inches.

Number of servings = Area of the cake ÷ Area of each serving piece Number of servings = 117 square inches ÷ 4 square inches per piece ≈ 29.25

So, a 9x13 sheet cake, cut into 2-inch by 2-inch pieces, would feed approximately 29 to 30 people. Keep in mind that this is an estimate, and the number of servings may vary depending on how the cake is cut and served. If you cut larger or smaller pieces, the number of servings will change accordingly.

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