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0 / 60 seg.
In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?
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Clue
THE PERSON WAS BORN IN 2005 B.C. (BEFORE CHRIST). THEREFORE, HE WAS 5 YEARS OLD IN 2000 B.C, 10 IN 1995 B.C, AND 15 IN 1990 B.C
SHE WAS BORN ON FEBRUARY 29, 1896. THE YEAR 1900 WAS NOT A LEAP YEAR (ONLY CENTURIES DIVISIBLE BY 400 ARE LEAP YEARS), SO THE NEXT FEBRUARY 29 FELL IN 1904 WHEN SHE WAS EIGHT. SHE WAS TWELVE ON HER SECOND BIRTHDAY
TERRY IS 5 YEARS OLD. LET'S TRANSLATE WORDS TO MATH. "ALICE WAS FIVE YEARS OLDER THAN TERRY IS NOW" TRANSLATES TO: A = 5 + T, WHERE A IS THE AGE OF ALICE AND T IS THE AGE OF TERRY. NOW TRANSLATE AGAIN. "TERRY IS HALF AS OLD AS ALICE WAS" BECOMES : T = (1⁄2)A. SOLVING THE TWO EQUATIONS WILL GIVE T = 5
"SIX DOZEN DOZEN" IS GREATER. "SIX DOZEN DOZEN" IS 6 X 12 X 12. "HALF DOZEN DOZEN" IS 1/2 X 12 X 12
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