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If a bottle weighs eight ounces plus half a bottle...
...what is the weight of a bottle and a half?
Puzzle Copyright © Kevin Stone
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Answer
24 ounces.
The bottle weighs 16 ounces.
As a bottle weighs eight ounces plus half a bottle we can write this as:
B = 8 + ½B
Take ½ from both sides to get:
½B = 8
So B = 16, which means B + ½B = 24.
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