B _ F _ R _
I
L _ F T ,
I
W _ _ N D
T H _
W _ L L
C L _ C K .
W H _ N
I
R _ T _ R N _ D ,
T H _
C H _ N G _
_ N
T _ M _
_ Q _ _ L _ D
H _ W
L _ N G
_ T
T _ _ K
T _
G _
T _
M Y
F R _ _ N D S
H _ _ S _
_ N D
R _ T _ R N ,
P L _ S
T H _
T _ M _
I
S P _ N T
T H _ R _ .
B _ T
I
K N _ W
T H _
L _ T T _ R
B _ C _ _ S _
I
L _ _ K _ D
_ T
M Y
F R _ _ N D S
W _ T C H
W H _ N
I
_ R R _ V _ D
_ N D
L _ F T .
S _ B T R _ C T _ N G
T H _
T _ M _
_ F
T H _
V _ S _ T
F R _ M
T H _
T _ M _
I
W _ S
_ B S _ N T
F R _ M
M Y
H _ _ S _ ,
_ N D
D _ V _ D _ N G
B Y
2 ,
I
_ B T _ _ N _ D
T H _
T _ M _
_ T
T _ _ K
M _
T _
R _ T _ R N
H _ M _ .
I
_ D D _ D
T H _ S
T _ M _
T _
W H _ T
M Y
F R _ _ N D
W _ T C H
S H _ W _ D
W H _ N
I
L _ F T ,
_ N D
S _ T
T H _
S _ M
_ N
M Y
W _ L L
C L _ C K Clue
ONE THING JULIE COULD DO IS FREEZE A TRAY OF ICE-CUBES, AND TURN THE TRAY OF ICE UPSIDE DOWN IN HER FREEZER. WHEN SHE COMES HOME, SHE SHOULD CHECK THE TRAY. IF THE ICE CUBES ARE STILL IN THE TRAY, THE FOOD IS SAFE TO EAT. IF THE TRAYS ARE EMPTY, IT'S TIME TO CLEAN OUT THE FREEZER. SHE WILL HAVE TO MAKE A JUDGMENT CALL IF THE ICE-CUBES ARE ONLY SLIGHTLY THAWED 66 SECONDS. WHEN THE CLOCK STRUCK SIX, THERE WERE ONLY 5 INTERVALS BETWEEN STROKES, AND EACH INTERVAL WAS 6 (30/5) SECONDS. BETWEEN THE FIRST AND TWELFTH STROKES THERE WILL BE 11 INTERVALS OF 6 SECONDS EACH; THEREFORE, 12 STROKES WILL TAKE 66 SECONDS (A). NEITHER (B). A POUND OF METAL IS ALWAYS MORE THAN HALF A POUND OF THE SAME METAL. (C). SIX STROKES TOOK 30 SECONDS, THEREFORE 12 STROKES WILL TAKE 60 SECONDS. BUT WHEN THE CLOCK STRUCK SIX, THERE WERE ONLY 5 INTERVALS BETWEEN STROKES, AND EACH INTERVAL WAS 30/5=6 SECONDS. BETWEEN THE FIRST AND TWELFTH STROKES THERE WILL BE 11 INTERVALS OF 6 SECONDS EACH, THEREFORE 12 STROKES WILL TAKE 66 SECONDS. (D). THERE IS ALWAYS A PLANE THAT CONTAINS ANY 3 POINTS BEFORE I LEFT, I WOUND THE WALL CLOCK. WHEN I RETURNED, THE CHANGE IN TIME EQUALED HOW LONG IT TOOK TO GO TO MY FRIENDS HOUSE AND RETURN, PLUS THE TIME I SPENT THERE. BUT I KNEW THE LATTER BECAUSE I LOOKED AT MY FRIENDS WATCH WHEN I ARRIVED AND LEFT. SUBTRACTING THE TIME OF THE VISIT FROM THE TIME I WAS ABSENT FROM MY HOUSE, AND DIVIDING BY 2, I OBTAINED THE TIME IT TOOK ME TO RETURN HOME. I ADDED THIS TIME TO WHAT MY FRIEND WATCH SHOWED WHEN I LEFT, AND SET THE SUM ON MY WALL CLOCK