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Mathematics, 22.07.2019 22:00 dranio
The sum of the ages of a wood plaque and a bronze plaque is 20 years. four years ago, the bronze plaque was one-half the age of the wood plaque. find the present age of each plaque.
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The sum of the ages of a wood plaque and a bronze plaque is 20 years. four years ago, the bronze pla...
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