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Start the planThe value of a minted coin is directly proportional to its thickness and inversely proportional to its area. What is the value of a coin with radius \(10\, \text{mm}\) and thickness \(1\,\text{mm}?\)
1. Value of a coin with radius \(5\, \text{mm}\) and thickness \(2\, \text{mm}\) is \(\$1\)
2. Value of a coin with radius \(2.5\,\text{mm}\) and thickness \(1\,\text{mm}\) is \(\$2\)
The OA is D
1. Value of a coin with radius \(5\, \text{mm}\) and thickness \(2\, \text{mm}\) is \(\$1\)
2. Value of a coin with radius \(2.5\,\text{mm}\) and thickness \(1\,\text{mm}\) is \(\$2\)
The OA is D
