I just argued with someone over the half-life of a box of 24 - TopicsExpress

I just argued with someone over the half-life of a box of 24 crayons... they thought that because a crayon will burn for 30 minutes then 30/10=3 and 3 half lives elapsed... Half life is t(1/2) t=time. t=30 minutes, so 30(1/2)= 15, 1 half-life elapsed. quantity equals 12. 15(1/2) = 7.5. 2 Half-lives elapsed. quantity= 6. 7.5(1/2) = 3.75. 3 Half-Lives elapsed. Quantity = 3... there you go. ~Skarekrow

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