Multiple Choice
One night you put a quarter into a slot machine and get back two quarters. The next night, you put these two quarters back in the machine one at a time, and each time two quarters came out. This pattern continued through the sixth night, after which you took your winnings and went home. How many quarters were fed into the machine?
A) 64
B) 63
C) 47
D) 31
Correct Answer:
Verified
Correct Answer:
Verified
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