Moramonesner6o Moramonesner6o

07-03-2017
Mathematics

contestada

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?

Respuesta :

ogdog747 ogdog747

07-03-2017

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

i think.

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