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Hint: Start by looking at the consonants and vowels.
Answer: 65 tonnes.
Vowels are worth 3 and consonants are worth 5, added together and then multiplied by the number of ingots.
So TIN has 1 vowel (worth 3) and 2 consonants (worth 10).
Added gives 13, then multiplied by 5 ingots = 65.
Puzzle 40
How many grains of sand do you need until you have a heap of sand?
[Ref: ZMQO]
Hint: Is a million grains of sand a heap?
Answer: We can safely say two things:
1. A million grains of sand is a heap.
2. If we remove one grain of sand from a heap, we still have a heap.
We can now keep repeating #2 until we only have a single grain of sand remaining. Is this a heap? Clearly not. But what went wrong with our thinking?
This is called the Sorites paradox (soros being Greek for "heap"), and is a classic paradox that has no real answer. Both #1 and #2 are true, and we can indeed keep removing one grain of sand until we have a single grain remaining. When does the heap become a nonheap? If we remove one more grain we're left with nothing, is this still a heap?
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