Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized for You
we will pick new questions that match your level based on your Timer History
Track Your Progress
every week, we’ll send you an estimated GMAT score based on your performance
Practice Pays
we will pick new questions that match your level based on your Timer History
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
It appears that you are browsing the GMAT Club forum unregistered!
Signing up is free, quick, and confidential.
Join other 500,000 members and get the full benefits of GMAT Club
Registration gives you:
Tests
Take 11 tests and quizzes from GMAT Club and leading GMAT prep companies such as Manhattan GMAT,
Knewton, and others. All are free for GMAT Club members.
Applicant Stats
View detailed applicant stats such as GPA, GMAT score, work experience, location, application
status, and more
Books/Downloads
Download thousands of study notes,
question collections, GMAT Club’s
Grammar and Math books.
All are free!
Thank you for using the timer!
We noticed you are actually not timing your practice. Click the START button first next time you use the timer.
There are many benefits to timing your practice, including:
A mixture of nuts is to contain 3 parts cashews to 6 parts a [#permalink]
23 Apr 2007, 05:56
2
This post was BOOKMARKED
00:00
A
B
C
D
E
Difficulty:
15% (low)
Question Stats:
74% (02:05) correct
26% (01:31) wrong based on 196 sessions
A mixture of nuts is to contain 3 parts cashews to 6 parts almonds to 7 parts walnuts by weight. How many pounds of almonds will be needed to make 5 pounds of the mixture?
a mixture of nuts is to contain 3 parts cashews to 6 parts almonds to 7 parts walnuts by weight. How many pounds of almonds will be needed to make 5 pounds of the mixture?
a.) 3/8
b.) 8/15
c.) 6/5
d.) 5/3
e.) 15/8
First of all, write the ratios in a mixture.
The cashews, almonds and walnuts are in ratio 3:6:7
It means that, in 16 pounds of mixture, cashews are 3 pounds, almonds are 6 pounds, walnuts are 7 pounds
So in 5 pounds of mixture the almonds will be = 6*5/16 = 15/8
Re: ratio question [#permalink]
14 Aug 2009, 00:38
what is the quickest way of solving this problem?
a mixture of nuts is to contain 3 parts cashews to 6 parts almonds to 7 parts walnuts by weight. How many pounds of almonds will be needed to make 5 pounds of the mixture?
a.) 3/8 b.) 8/15 c.) 6/5 d.) 5/3 e.) 15/8
16 x = 5 pounds , x = 5/16
Almonds weight = 5/16*6 = 15/8
also, are there any other tricks/pointers that ya'll might know of that involve ratios? thanks a lot![/quote]
Re: A mixture of nuts is to contain 3 parts... [#permalink]
11 Oct 2010, 13:38
1
This post received KUDOS
niheil wrote:
Please help with this question:
A mixture of nuts is to contain 3 parts cashews to 6 parts almonds to 7 parts walnuts by weight. How many pounds of almonds will be needed to make 5 pounds of the mixture?
(A) \(\frac{3}{8}\)
(B) \(\frac{8}{15}\)
(C) \(1\frac{1}{5}\)
(D) \(1\frac{2}{3}\)
(E) \(1 \frac{7}{8}\)
I feel like there's a critical piece of information that I haven't considered...
c:a:w = 3:6:7
let c= 3x; a=6x; w=7x
total weight = 16x....when 16x=5 => \(x=\frac{5}{16}\)
in this total weight contribution of almond = \(6x = 6* \frac{5}{16}\)
Re: A mixture of nuts is to contain 3 parts... [#permalink]
11 Oct 2010, 22:47
Thanks for the help gurpreetsingh and mrinal2100.
Okay, so I see how the question was meant to be interpreted. But does anyone else think this question is a bit unclear and unfair? I know that the first sentence reads "... by weight", but it doesn't mention that the weight is 1 pound. Also, about the part of the question that reads "3 parts cashews to 6 parts almonds to 7 parts walnuts", I think this could have been more clearly stated. The sentence doesn't make it clear that 3 parts cashews weigh the same as 6 parts almonds and 7 parts walnuts.
Re: A mixture of nuts is to contain 3 parts... [#permalink]
11 Oct 2010, 23:21
Niheil, the question is stated in same way as most ratio & proportion questions. There is no ambiguity. Let me try and explain this.
For the moment consider a mixture of 2 substances in the ratio 5:9 by weight. If lets say the weights of each are x and y, what we know is that :
\(\frac{x}{y}=\frac{5}{9}\)
What this means is that x & y are of the form 5A and 9A respectively for some A. Different values of A represent different choices for the pair (x,y). This is just a technique to reduce the problem from 2 variables to 1 variable to make it easier to solve.
Same technique works in 3 variable problems, so lets say x:y:z=4:7:11
\(\frac{x}{y}=\frac{4}{7}\)
So x=4A, y=7A
\(\frac{y}{z}=\frac{7}{11}\)
Since y=7A, z=11A
For each choice of A, we get a set of (x,y,z) values in the appropriate ratio. _________________
Re: ratio question [#permalink]
01 Feb 2014, 10:05
Hello from the GMAT Club BumpBot!
Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email. _________________
As I’m halfway through my second year now, graduation is now rapidly approaching. I’ve neglected this blog in the last year, mainly because I felt I didn’...
Perhaps known best for its men’s basketball team – winners of five national championships, including last year’s – Duke University is also home to an elite full-time MBA...
Hilary Term has only started and we can feel the heat already. The two weeks have been packed with activities and submissions, giving a peek into what will follow...