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Difficulty:
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based on 114
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A certain punch contains grape juice, orange juice, and pineapple juice and no other ingredients in a ratio of 2: 3: 7 respectively. If a bowl of this punch contains 21 ounces of orange juice, how many ounces of pineapple juice does it contain
A. 12
B. 14
C. 21
D. 49
E. 84
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shridhar786
Joined: 31 May 2018
Last visit: 08 Feb 2022
Posts: 322
Location: United States
Concentration: Finance, Marketing
Posts: 322
A certain punch contains grape juice, orange juice, and pineapple juice and no other ingredients in a ratio of 2: 3: 7 respectively
let grape juice = 2x
orange juice = 3x
pineapple juice = 7x
given punch contains orange juice = 21 ounces
21 = 3x
x = 7
ounces of pineapple juice = 7x = 7*7 = 49
D is the correct answer
let grape juice = 2x
orange juice = 3x
pineapple juice = 7x
given punch contains orange juice = 21 ounces
21 = 3x
x = 7
ounces of pineapple juice = 7x = 7*7 = 49
D is the correct answer
Posts: 317
Sum the ratios = 2+3+7 = 12.
If there are 12 ounces, there would be: 2 ounces of grape juice, 3 ounces of orange juice, and 7 ounces of pineapple juice.
Now a bowl contains 21 ounces of orange juice. If 21 oz means 3/12, then how much oz for 9/12? it would be 63
Total oz in bowl = 63 + 21 = 84
Therefore, pineapple juice (oz) = 84 x 7/12 = 49.......Option D
If there are 12 ounces, there would be: 2 ounces of grape juice, 3 ounces of orange juice, and 7 ounces of pineapple juice.
Now a bowl contains 21 ounces of orange juice. If 21 oz means 3/12, then how much oz for 9/12? it would be 63
Total oz in bowl = 63 + 21 = 84
Therefore, pineapple juice (oz) = 84 x 7/12 = 49.......Option D
Posts: 73
Let the unknown value be x
Grape:Pineapple:Orange
2:7:3
total units=2+7+3=12
Total units of orange =21
3x/12=21
x=84
Now, for pineapple
7*84/12=49
Grape:Pineapple:Orange
2:7:3
total units=2+7+3=12
Total units of orange =21
3x/12=21
x=84
Now, for pineapple
7*84/12=49
g:o:p=2:3:7
so if there are 21 ounces of orange juice in the punch, let x be the total ounces of the punch, then
3x/12=21, then x=84.
pineapples =7/12 * 84 =49.
Answer is therefore D.
so if there are 21 ounces of orange juice in the punch, let x be the total ounces of the punch, then
3x/12=21, then x=84.
pineapples =7/12 * 84 =49.
Answer is therefore D.
ArtVandaley
Joined: 10 Sep 2013
Last visit: 05 Feb 2022
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Location: India
Schools: Darden '23 Sloan '22
GMAT 1: 720 Q50 V38
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Multiply the ratio by 7. It becomes 14:21:49. Hence for 21 ounces of orange, 49 ounces of pineapples are there
Posted from my mobile device
Posted from my mobile device
A certain punch contains grape juice, orange juice, and pineapple juice and no other ingredients in a ratio of 2: 3: 7 respectively. If a bowl of this punch contains 21 ounces of orange juice, how many ounces of pineapple juice does it contain
A. 12
B. 14
C. 21
D. 49
E. 84
The ratio of grape juice, orange juice, and pineapple juice is
G:O:P = 2x : 3x : 7x
So when 3x = 21 ounces of Orange juice, the pineapple juice \(= 7 * \frac{21}{3} = 49\) ounces of juice
Answer (D).
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A. 12
B. 14
C. 21
D. 49
E. 84
The ratio of grape juice, orange juice, and pineapple juice is
G:O:P = 2x : 3x : 7x
So when 3x = 21 ounces of Orange juice, the pineapple juice \(= 7 * \frac{21}{3} = 49\) ounces of juice
Answer (D).
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Quote:
g:o:p=2:3:7
total=12 parts
o=21=2x/12…x=21•12/2
p=3x/12=3(21•12/2)/12=49
Answer (D)
Posts: 346
3---->21
7---->X
X=21*7/3=49
Option D
Posted from my mobile device
7---->X
X=21*7/3=49
Option D
Posted from my mobile device
ScottTargetTestPrep
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Target Test Prep Representative
Joined: 14 Oct 2015
Last visit: 10 Sep 2026
Posts: 22,737
Status:Founder & CEO
Affiliations: Target Test Prep
Location: United States (CA)
Expert reply
Posts: 22,737
Bunuel
We can represent the amount of grape juice, orange juice, and pineapple juice by 2x, 3x, and 7x, respectively, for some x. Since there are 21 ounces of OJ, we have:
3x = 21
x = 7
Thus, there are 7 * 7 = 49 ounces of pineapple juice.
Answer: D
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