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a rectangular gift box is 10 inches long, 7 inches wide, 1.25 inches high, and had a surface area of 182.5 square inches. gift wrap costs $0.012 per square inch. how much does it cost to wrap the box if you use the least possible amount of gift wrap to cover the entire box

Respuesta :

1) 2 * (10 * 7 + 7 * 1,25 + 10 * 1,25) = 2 * (70 + 8,75 + 12,5) = 2 * 91,25 = 182,5 square inches - a surface area
2) 182,5 * 0,012 = $2,19 - answer.

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