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Updated on: 26 Apr 2018, 14:10
Originally posted by KillerSquirrel on 02 Aug 2007, 15:24.
Last edited by Bunuel on 26 Apr 2018, 14:10, edited 3 times in total.
Last edited by Bunuel on 26 Apr 2018, 14:10, edited 3 times in total.
UPDATED.
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Mixture problems made Easy
solving mixture problems fast ! - (30 day money back guarantee :wink: )
see attachment
Thanks
solving mixture problems fast ! - (30 day money back guarantee :wink: )
see attachment
Thanks
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MixtureProblemsMadEasy.pdf [49.94 KiB]
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26 Apr 2018, 05:50
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VaibNop
No.
18. Mixture Problems
- Theory
- Questions
Weighted Average and Mixture Problems on the GMAT
Tips and Tricks: Mixtures
DS Questions
PS Questions
For more check Ultimate GMAT Quantitative Megathread
Hope it helps.
05 May 2015, 07:28
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anik89
)
I'll break down the first question for you.
My personal opinion is that a time line is easier than 4 arrows, but that's just a preference.
(1) Consider a straight line (see image below)
(2) Put the respective ratios on each side of the spectrum
(3) Put 45% between "30" and "50" (the goal of the solution is to mix 30% and 50% and get 45%, right?)
So, 45 is somewhere between 30 and 50. How far is 45 from 30? 15 "steps"
How far is 45 from 50? 5 "steps"
Now, to find the ratio, you simply flip the respective number. 15:5 becomes: 5:15 or simplified to 1:3. So, you use 1 "part" of 30% and 3 "parts" of 45.
Hope this explaination helps
