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  #41  
Old 10-24-2012
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Re: Riddles with a Prize, by Mantus Anchors

ok Bristol 299Bob you got it......Congrads! just private me your mailing address, phone number, email, 1000$ and your first born....
and we will send you your prize...
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  #42  
Old 10-27-2012
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Re: Riddles with a Prize, by Mantus Anchors

thanks!

Ill throw in the second born as well:-)
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Old 10-29-2012
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Re: Riddles with a Prize, by Mantus Anchors

As the first winner - the "Hook" arrived in Santa Cruz de Tenerife - already in my anchor locker - thanks
Roger
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  #44  
Old 11-08-2012
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Re: Riddles with a Prize, by Mantus Anchors

Ok the prize for this Riddle is a 8 lbs dinghy anchor or a Mantus Chain Hook for your size chain
PS sorry the delay, we will try to stick with Mondays as promised

BUYING BERRIES

BERRIES ARE POPULAR WITH CRUISERS! ONE THIS LUSH TROPICAL ISLAND, A BEAUTY FULL LADY/CHAP SELLS YOU 1000 KG OF FRESH BERRIES. THE BERRIES CONTAIN 99% WATER WHEN FRESH, BUT A FEW DAYS LATER A TEST SHOES THAT THERE WAS ONLY 98% WATER, DUE TO THE DRYING OF THE BERRIES.
WHAT DO THE BERRIES WEIGH NOW?
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  #45  
Old 11-08-2012
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Re: Riddles with a Prize, by Mantus Anchors

Hmmm... I'll have a go.

10kg must be 2% of the weight (not the water). Therefore, the berries weigh 500kg now. I think.

If 99% by weight is water and the berries weigh 1000kg, then the water weighed 990kg and the non water portion of the berries was 1kg.

Thus the partially dried berries (i.e. only some of the water was removed) were 98% water by weight, then we would get the following formula:

Xkg = 98% of Xkg + 10kg
X = 0.98X + 10
0.02 X = 10
X = 10 / 0.02
X = 500

My brain hurts. My caffeine level is low. I probably missed a decimal point.....

So the berries weigh 500 kgs now yes? That's my final answer!

MedSailor
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Old 11-08-2012
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Re: Riddles with a Prize, by Mantus Anchors

990 kg

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Old 11-08-2012
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Re: Riddles with a Prize, by Mantus Anchors

There are so many ways to answer such a loosley put question.

The simplest solution is to go upstairs, make that one trip to the attic, and stay there while my apprentice throws the three switches in sequence. Every electrician has an apprentice.

If my apprentice has done something foolish like die on the job, I can still do the job solo. I plug 3 cheap radios into the three light bulb sockets, using the socket plug adapter that everyone has in their toolbox. #1 is tuned to classical, #3 to rock, #3 to talk radio. As I turn on each switch, I note which station starts playing.

And if all the radio stations have gone off the air, I just wait until nighfall. I look out the window while turning on the lights, and note which window, which light, has turned on with each switch.

SO many solutions, Mantus! As Aerosmith sang, Toys in the Attic! Toys!
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Re: Riddles with a Prize, by Mantus Anchors

970.2 kg
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Old 11-08-2012
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Re: Riddles with a Prize, by Mantus Anchors

MedSailor looks correct by my math. It's not 1% less water, but 1% less of the total. Since so much of the total is water, to bring water's percentage down takes a lot less water:

x - 98%x = 10
x(1-98%) = 10
x = 10 (1-98%)
x = 500
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Last edited by RhodesSwiftsure; 11-08-2012 at 01:43 PM. Reason: Misspelled MedSailor
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Old 11-08-2012
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A little Abiguous

If you define the berry mass as the actual mass of the Berry solids (completely dehydrated), then the berry mass never changes, 10kg, no matter what the water content is. If the berry includes water mass, then MedSailor has the correct answer; 500 kg.
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