Gold can be hammered into extremely thin sheets called gold leaf. An architect wants to cover a 100 ft x 85 ft ceiling with gold

Question

Gold can be hammered into extremely thin sheets called gold leaf. An architect wants to cover a 100 ft x 85 ft ceiling with gold leaf that is five- millionths of an inch thick. The density of gold is 19.32 g/cm³, and gold costs $1654 per troy ounce (where 1 troy ounce = 31.1034768 g). How much will it cost the architect to buy the necessary gold?

Kunduz · Accepted Answer

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