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You have nine gold coins, but one isn’t pure. one has been minted with a cheap alloy, and is known to be heavier than the others. you have a simple balance scale. how do you det…

You have nine gold coins, but one isn’t pure. one has been minted with a cheap alloy, and is known to be heavier than the others. you have a simple balance scale. how do you det…
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2 votes
You have nine gold coins, but one isn’t pure. one has been minted with a cheap alloy, and is known to be heavier than the others. you have a simple balance scale. how do you determine the impure coin with only two weighings?

asked
User HMilbradt
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7.5k points

1 Answer

4 votes
compare the impure one, with the rest of the pure gold ones.

i think.
answered
User Ahti Kitsik
by
8.5k points
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