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0 / 60 seg.
There was a small get-together. There were a total of 28 handshakes exchanged between the guests. How many guests were present?
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H
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8
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S
T
S
.
I
F
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R
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2
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S
T
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,
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B
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1
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N
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.
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,
2
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,
1
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N
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3
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,
2
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N
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K
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S
3
G
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3
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N
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4
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6
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N
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W
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V
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(
N
(
N
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1
)
)
/
2
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S
Clue
7 DIMES (10¢), 3 NICKELS (5¢) AND 15 PENNIES (1¢) WILL ADD UP TO 25 COINS AND $1
9 TEENAGERS CAN EAT 18 PIZZAS IN 3 DAYS. 1 TEENAGER CAN EAT 1 PIZZA IN 1.5 DAYS. 1 TEENAGER CAN EAT 2 PIZZAS IN 3 DAYS. 9 TEENAGERS CAN EAT 18 PIZZAS IN 3 DAYS
THERE WERE 8 GUESTS. IF THERE ARE 2 GUESTS, THERE WILL BE 1 HANDSHAKE. SO, 2 GUESTS, 1 HANDSHAKE 3 GUESTS, 2 HANDSHAKES 3 GUESTS, 3 HANDSHAKES 4 GUESTS, 6 HANDSHAKES WITH THIS, FOR N GUESTS, WE WILL HAVE (N(N-1))/2 HANDSHAKES
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
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