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22 Oct 2019, 23:25
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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
15%
(low)
Question Stats:
80% (01:39) correct
20%
(01:44)
wrong
based on 424
sessions
History
Date
Time
Result
Not Attempted Yet
Alain and Brenda were each given 50 envelopes to address as part of a charity drive. How much time did it take Alain to address the envelopes he was given?
(1) Alain addressed his envelopes in 1.2 times the amount of time it took Brenda to address her envelopes.
(2) If Alain and Brenda had addressed 50 envelopes together, each working at the same rate as when they worked separately, it would have taken them 1 hour and 50 minutes to address all the envelopes.
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(1) Alain addressed his envelopes in 1.2 times the amount of time it took Brenda to address her envelopes.
(2) If Alain and Brenda had addressed 50 envelopes together, each working at the same rate as when they worked separately, it would have taken them 1 hour and 50 minutes to address all the envelopes.
EMPOWERgmat DS Series:
Pack 3, Question 4
2 Week Window To Win An $85 EMPOWERgmat Tuition Credit (1 Month Free!)
Share your explanation! The GMAT Club member with the most verified Kudos in total on the 10 question PS & DS Block 3 question packs will win an $85 EMPOWERgmat tuition credit, which will entitle the winner to a full month of complete access to the EMPOWERgmat system. Even if you're not sure about your answer or your rationale, share your explanation to help boost your learning and earn a chance to win. We have increased the contest window to 2 weeks from the posted date of the question - so that you can maximize your chances and answer all of the questions in each set!
To be eligible, your explanation must be submitted within the 2 week window after this post was created and should explain your reasoning why the answer you chose is correct
The OA will be held until a 1 week window has lapsed.
Links to the entire list of Quant and Verbal questions can be found here: EMPOWERgmat Forum Contest!...
23 Oct 2019, 05:59
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Let time taken by Alain and Brenda to address the envelopes be a and b respectively.
We need to find vale of a=
Statement 1)
a=1.2b
Not sufficient
Statement 2)
1/ a + 1/ b = 1/ 110 min
Not sufficient
1) and 2)
2 equation 2 variable
Therefore C
Posted from my mobile device
We need to find vale of a=
Statement 1)
a=1.2b
Not sufficient
Statement 2)
1/ a + 1/ b = 1/ 110 min
Not sufficient
1) and 2)
2 equation 2 variable
Therefore C
Posted from my mobile device
11 Jun 2025, 08:54
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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).
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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.
