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You missed the obvious "Taxi eaten by alien in government role".
This space for rent
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That would have been a good one - as it was the anagram just leapt out at me.
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Same here
This space for rent
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@super
You won yesterday, remember?
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oops , Here it comes.
cheers,
Super
------------------------------------------
Too much of good is bad,mix some evil in it
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You have 100 lb of "mathematical" potatoes, which are 99 percent water by weight.
You let them dehydrate until they're 98 percent water. How much do they weigh now?
No googling, ok.
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50lbs.
1lb == 1% of 100lb, and 2% == 50lbs
So as not to give the game away!
(hilight to reveal)
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And we have a winner.
That was to quick, I was hoping for a few wrong ones to start with.
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That's why I hid it - I remembered it from somewhere.
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I dont get it.
Should be 99.0001 lbs or some such.
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OK, so 100ib of potatoes, 99% water.
That means that 1% is not water, and that weighs 1lb.
If you reduce the water content to 98%, that doesn't affect the non-water part, so 1lb of the potatoes is now 2% of the total.
If 2% of the weight is 1lb, then the total weight is now 50lb.
For 97% you get 33.3lb, 96% gives 25lb, and so on.
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"To 98%" of what is the question. The original weight or the final weight.
That wasnt specified.
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Quote: You let them dehydrate until they're 98 percent water. That's pretty clear!
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Nothing is clear in the land of language....
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As they say, English is important, but Math is importanter.
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Quote: "let them dehydrate until"
The trick is hidden right there. Our brain expects the word to be "rehydrate", so we think it's rehydrating the original 1% dehydrated solids.
Caught out by being too quick ...
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Forgive me for being thick but I cannot get my head round that. In 100lb there is 1lb of starch and 99 lbs of water (yes?). So if you lose 1% of the water, isn't that just 1lb less than before?
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OK, so 100ib of potatoes, 99% water.
That means that 1% is not water, and that weighs 1lb.
If you reduce the water content to 98%, that doesn't affect the non-water part, so 1lb of the potatoes is now 2% of the total.
If 2% of the weight is 1lb, then the total weight is now 50lb.
For 97% you get 33.3lb, 96% gives 25lb, and so on.
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I knew it would be simple.
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It's simple when you see it!
If I recall correctly, I scratched my head a fair amount the first time I saw this one.
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Richard MacCutchan wrote: So if you lose 1% of the water, That's the point that sets you in the wrong direction. You didn't lose 1% of the water, but rather, changed the calculated (relative) percent of water to the whole, not to itself.
(yes - you had other explanations, but this is just a thought-process notice)
Ravings en masse^ |
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"The difference between genius and stupidity is that genius has its limits." - Albert Einstein | "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010 |
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Thank you, you are of course correct. That is exactly why I went down a blind alley.
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Richard MacCutchan wrote: So if you lose 1% of the water, isn't that just 1lb less than before?
lets work through this.
if this were the case.
100lb total, 1lb startch, 99lb water
water = 99/100 = 99% of total
- 1lb water = 1lb startch, 98lb water, total 99lb
water = 98/99 = 98.9898989... %
it is not 98.0% yet.
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I think you also misunderstand. See the explanation by OriginalGriff above.
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I was quoting @Richard-MacCutchan and was trying to help explain (to myself aswell) that losing only 1lb water would NOT give 98.0% but only works out to 98.98...%
and that the correct number is something else.
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