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0 / 60 seg.
Out of 100 ladies attending the gala, 85 had a white hand bag; 75 had black shoes; 60 carried an umbrella; 90 wore a ring; How many ladies must have had all four items?
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Clue
4. ONCE YOU GRAB 4 SOCKS YOU WILL DEFINITELY HAVE 2 OF THE SAME COLOR
FIVE. THERE ARE ONLY FOUR COLORS, SO FIVE SOCKS WILL GUARANTEE THAT TWO WILL BE THE SAME COLOR
YOU NEED TO TAKE OUT THREE SOCKS. TO HAVE A MATCHING PAIR, YOU NEED TO TAKE 2 SOCKS THAT ARE OF THE SAME COLOR. WHEN YOU TAKE 3 SOCKS, 2 OF THE SOCKS WILL BE OF THE SAME COLOR
10 DIVIDE BY 3. ALL THE LADIES HAD THREE ITEMS. THE REMAINDER SHOWS THE NUMBER OF LADIES WHO HAD 4. 85 75 60 90 ______ 310 / 3 = 100 + 10 REMAINDER
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