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A factory uses two machines to produce widgets. The first can produce
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04 Aug 2025, 13:46
04 Aug 2025, 13:46
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A factory uses two machines to produce widgets. The first can produce $n$ widgets in 20 minutes. The second can produce $n$ widgets in 30 minutes. If the machines are both operating consistently at the specified rates, how many minutes will it take to produce a total of $3 n$ widgets?
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04 Aug 2025, 13:46
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