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31 December, 11:15

1. Devin is making a candle by pouring melted wax into a mold in the shape of a square pyramid. Each side of the base of the pyramid is 9 cm and the height of the pyramid is 10 cm. To get the wax for the candle, Devin melts cubes of wax that are each 4 cm by 4 cm by 4 cm. How many of the wax cubes will Devin need in order to make the candle? Show your work.

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  1. 31 December, 11:28
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    (1/3) (9*9*10) = 270cm^3 for volume of pyramid

    270 / (4*4*4) = 4.22 cubes.

    round up to 5 cubes
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