SOLUTION: you are given 8 identical coins and a balance scale. seven of the coins weight the same, but the eighth is lighter. you many use the balcne three times to determine which coin is l

Question 318241: you are given 8 identical coins and a balance scale. seven of the coins weight the same, but the eighth is lighter. you many use the balcne three times to determine which coin is lighter. show how you do this.
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
FIRST weigh
put 4 on each side.
the lighter one -will go up.
second weighment
put 2 on each pan.
the lighter one -pan will go up.
third weighment
put one on each
the lighter one will go up.
..
That's it.
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