To do well on standardized tests, you need a good brain. Probably nothing like the cellulite-riddled grey mass shown below. Today's math Question of the Day...
A normal brain weighs 3 pounds. Abnormal brains weigh 2.5 pounds. If the contents of a a burlap sack filled with both kinds of brains weigh 25 pounds, how many abnormal brains can the sack contain?

ANATOMY
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