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25 June, 17:00

A box is 8 1/2 inches wide, 12 3/4 inches long and 5 1/2 inches tall. What is the total surface area of 3 such boxes?

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  1. 25 June, 20:43
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    About 1190.167in²

    Step-by-step explanation:

    First, you need to find the surface area of a single box. In this case, this box has 6 sides, 2 with dimensions 8.041666 by 12.0625, 2 with dimensions 5.041666 by 8.041666, and 2 with dimensions 5.041666 by 12.0625. Multiplying the side lengths to get the surface areas and adding them together yields about 396.722. Multiplying this by 3, we get about 1190.167 in².
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