1) Steven has 9 gold coins that are identical in appearance. However, one coin is counterfeit and weighs slighlt less than the others. Using a balance scale, how can he find the counterfeit coin in just two weighings?
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2) In the following problem, the letters A, B and C stand for 3 different digits. What digit should replace each letter?

ABC+ACB=CBA

Steven has 9 cold coins that are identical that are identical in appearance. However, one is counterfeit and weighs slightly less than the others. Using a balance scale, how can he find the counterfeit coin in just two wieghings?

Okay so here is the question. I need help finding the answer.

*You have 3 coins and a pan balance scale. The coins are alike in appearance, but you know that one of them is counterfeit and lighter than the other two. Explain in detail how you would find the counterfeit coin in just ONE weighing.*

Steven has 9 gold coins that are
identical in appearance. However, one
coin is counterfeit and weighs slightly
less than the others. Using a balance
scale, how can he find the counterfeit
coin in just two weighings?

I have 9 gold coins that are identical in appearance. However, one is counterfeit and weighs slightly less. Using a balance scale, how can I find the counterfeit coin in just two weighings?

the question says steven has 9 gold coins that are identical in appearance. However, one coin is counterfeit and weighs slightly less than the others. Using a balance scale, how can he find the counterfeit coin in just two weighing.? can anyone help me solve this because it is due tomorrow and thanks.

Don’t you get tired of putting coins in machines just to have them spit out because they were from the other country but almost identical in appearance?
Either we’re friends and allies or we’re not.