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Old 09-10-2010, 17:13   #1
cziv
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Need Help With a Math Problem!!

I ususally mix two powders together at a 1 to 1 ratio.

I had a large amount of powder given to me and I didn't have equal parts and having a brainfart, I mixed them together and now I'm stuck with a difficult math problem.

Here it is.

I mixed 16 ounces of X with 6 ounces of Y giving me a non- 50/50 mixture. I found another 6 ounces of Y today.

How much of the XY blend would I have to siphon off so that I can add the additional 6 ounces and end up with a 50/50 mixture of X & Y?

Thanks in advance!!
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Old 09-10-2010, 17:17   #2
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Why would you mix powder together do you have a death wish?
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Old 09-10-2010, 17:20   #3
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please, tell me this is a joke.

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Old 09-10-2010, 17:20   #4
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Too tough for you too huh?
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Old 09-10-2010, 17:22   #5
shotgunred
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Not even a funny one.
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Old 09-10-2010, 17:26   #6
cziv
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No this isn't a joke. It's a serious math problem. If you can't solve it please keep your ridicule to yourself and get in line with me, cuz I can't either.
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Old 09-10-2010, 17:32   #7
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Quote:
Originally Posted by cziv View Post
No this isn't a joke. It's a serious math problem. If you can't solve it please keep your ridicule to yourself and get in line with me, cuz I can't either.
Trust me, I can do the math, I WON'T do the math for you... You're going to get yourself hurt, and I won't be a party to that.

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Old 09-10-2010, 17:33   #8
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Answer:

You can't. Buy four more oz of Y
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Old 09-10-2010, 17:34   #9
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It probably would be easier for you to calculate had you still had all 10 fingers.
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Old 09-10-2010, 17:34   #10
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Old 09-10-2010, 17:41   #11
Batesmotel
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It is physically impossible to mix two powders and have the same mix each time you measure a charge. This is why every reloading manual states

DO NOT MIX POWDERS

Or do you think you are too smart for the basic safety rules of reloading?
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Old 09-10-2010, 17:42   #12
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Quote:
Originally Posted by cziv View Post
I ususally mix two powders together at a 1 to 1 ratio.

I had a large amount of powder given to me and I didn't have equal parts and having a brainfart, I mixed them together and now I'm stuck with a difficult math problem.

Here it is.

I mixed 16 ounces of X with 6 ounces of Y giving me a non- 50/50 mixture. I found another 6 ounces of Y today.

How much of the XY blend would I have to siphon off so that I can add the additional 6 ounces and end up with a 50/50 mixture of X & Y?

Thanks in advance!!
Quote:
Originally Posted by cziv View Post
Too tough for you too huh?
Quote:
Originally Posted by cziv View Post
No this isn't a joke. It's a serious math problem. If you can't solve it please keep your ridicule to yourself and get in line with me, cuz I can't either.
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Old 09-10-2010, 17:44   #13
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Quote:
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Reloading
Same here but I have seen some stupid things in my time.
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Last edited by Batesmotel; 09-10-2010 at 17:44..
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Old 09-10-2010, 17:48   #14
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Jeez guys, lighten up. Back in Jack's day when there were only 8 powders to choose from people would mix powders all the time.

BTW,
you'd need to siphon off 8.8 ounces (this would remove 6.4oz of X and 2.4oz of Y, leaving 9.6oz of X and 3.6oz of Y).

The 8.8 ounces you take out would then need 4 ounces of Y added to it to be an equal mix, if at some point you want to use what you siphon off.




Last edited by XDRoX; 09-10-2010 at 17:48..
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Old 09-10-2010, 17:48   #15
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Gonna have to remove approx 9 oz of the mix to be able to add 6 oz pure 2nd powder and come up with a 50/50 ratio... This would be the equivalent of adding 9.35 oz to 9.5 oz... not quite 50/50 but pretty close...

I'm assuming your are working on spices for a beef spare rib rub - correct?

If this is for gunpowder - you gotta ignore what I said and start all over again... my disclaimer...)

ETA - When I said approx 9 oz - the numbers I used were 8.75 oz removed so it pretty much matches the 8.8 stated above...
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Last edited by marklukich; 09-10-2010 at 17:51..
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Old 09-10-2010, 17:49   #16
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Please be a JOKE. Because the KABOOM will not be....
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Old 09-10-2010, 17:49   #17
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Quote:
Originally Posted by marklukich View Post
Gonna have to remove approx 9 oz of the mix to be able to add 6 oz pure 2nd powder and come up with a 50/50 ratio... This would be the equivalent of adding 9.35 oz to 9.5 oz... not quite 50/50 but pretty close...

I'm assuming your are working on spices for a beef spare rib rub - correct?

If this is for gunpowder - you gotta ignore what I said and start all over again... my disclaimer...)
Beat you to it Mark
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Old 09-10-2010, 17:52   #18
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Quote:
Originally Posted by XDRoX View Post
Beat you to it Mark
But did you use a calculator? I used the back of a bank statement envelope... lol..
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Old 09-10-2010, 17:56   #19
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Mix ratio

First, I don't recommend doing what you are doing. With that being said here is an Example of a possible solution. The mix you have now - 16oz. X powder + 6 oz Y powder = 22 oz total. This is almost 3 to 1 ratio but easier to do in percentages. The mix now is 72.75% X and 27.25% Y. If you take 8 oz. out that leaves you with 14 oz mix which is 10.18 oz. of X powder and 3.81 oz of Y powder. If you add your new 6 oz. of Y to the 14 oz mixture you will end up with 9.81 oz of Y and 10.18 oz. of X. This is .37 oz or 1/3 of an oz. off of a 50/50 mix.
Again I dont recommend ever mixing powders and this is something I would not do.
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Old 09-10-2010, 17:57   #20
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I am beginning to see the light. You know when I switch from win 231 to WSF I have to adjust the powder measure. If I blended them together I could use a weight in between and never have to adjust my load again.
Wow I could pick up another nick name and everyone could just call me lefty.
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