Mathematics, 21.04.2020 04:16 keke6361

Jonathan finds a piece of metal that is 2 1/5 inches thick. He files off 3/10 inch. He adds a protective covering to the metal that is 2/10 inch thick. Then, he polishes the metal and removes an additional 1/10 inch. What is the final thickness of the metal?

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Jonathan finds a piece of metal that is 2 1/5 inches thick. He files off 3/10 inch. He adds a protec...