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anonymous
 one year ago
there are 20 bags filed with coins that all look alike. the coins in 19 of the bags are authentic and weigh 10 ounces each. the coins in one of the bags are counterfeit and weigh 11 ounces. with only one weighing on a scale, how can you determine which bag contains counterfeit coins?
anonymous
 one year ago
there are 20 bags filed with coins that all look alike. the coins in 19 of the bags are authentic and weigh 10 ounces each. the coins in one of the bags are counterfeit and weigh 11 ounces. with only one weighing on a scale, how can you determine which bag contains counterfeit coins?

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