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04 Apr 2018, 16:20
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
35%
(medium)
Question Stats:
81% (02:38) correct
19%
(02:43)
wrong
based on 221
sessions
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Cape Cod Cookies makes cookies of identical size from batches of cookie dough weighing 600 ounces. Cape Cod Cookies decides to modify the recipe by decreasing the weight of each cookie by 1 ounce. If Cape Cod Cookies discovers that it is now able to make 30 more cookies using the same batch of dough weighing 600 ounces, how much did each cookie originally weigh?
A. 2
B. 3
C. 4
D. 5
E. 6
Kudos for the right answer and explanation
A. 2
B. 3
C. 4
D. 5
E. 6
Kudos for the right answer and explanation
04 Apr 2018, 18:29
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\(\frac{600}{(x - 1)} - \frac{600}{x} = 30\)
Substitute the options for x, only option D satisfies.
Answer: D
Substitute the options for x, only option D satisfies.
Answer: D
General Discussion
teaserbae
Joined: 24 Mar 2018
Last visit: 07 Mar 2022
Posts: 188
Given Kudos: 288
Location: India
Schools: Carlson Foster '24 Haas '24 Kelley '24 Kellogg '24
GMAT 1: 680 Q50 V31
04 Apr 2018, 21:36
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Let's assume initially there were x cookies each weighing y ounce
As per the question,
x*y=600
(x+30)*(y-1)=600
On solving it we get y=5, which is the required solution.
As per the question,
x*y=600
(x+30)*(y-1)=600
On solving it we get y=5, which is the required solution.
