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Updated on: 22 Oct 2019, 23:16
Originally posted by EMPOWERgmatRichC on 15 Oct 2019, 22:41.
Last edited by EMPOWERgmatRichC on 22 Oct 2019, 23:16, edited 1 time in total.
Last edited by EMPOWERgmatRichC on 22 Oct 2019, 23:16, edited 1 time in total.
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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:
5%
(low)
Question Stats:
89% (01:39) correct
11%
(01:35)
wrong
based on 193
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Not Attempted Yet
EMPOWERgmat PS Series:
Pack 3, Question 2
Teela found 14 coins in her car, all nickels and dimes. If a nickel is worth $0.05 and a dime is worth $0.10, and the total value of the coins was $1.10, then how many of the coins were nickels?
A) 4
B) 5
C) 6
D) 8
E) 9
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!...
Pack 3, Question 2
Teela found 14 coins in her car, all nickels and dimes. If a nickel is worth $0.05 and a dime is worth $0.10, and the total value of the coins was $1.10, then how many of the coins were nickels?
A) 4
B) 5
C) 6
D) 8
E) 9
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!...
siddharthkapoor
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Joined: 10 Apr 2018
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17 Oct 2019, 01:47
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EMPOWERgmatRichC
Let's assume that number of nickles and dimes are n and d respectively.
So, from the information given, we know that n+d=14.
Accordingly, value of n nickles=n*$0.05, and value of d dimes=d*$0.10
Since total value of 14 coins is $1.10, we can imply that n*$0.05+d*$0.10=$1.10
Now, combining n+d=14 and n*$0.05+d*$0.10=$1.10 and solving them simultaneously we get that n=6.
Therefore, the correct answer is option C.
29 Nov 2019, 18:50
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First thing to note, you need to have even number of nickels because you need to have a multiple of 10.
Use options.
4 nickels is .2 but then you have 10 dimes worth a 1$. Doesn't add up to 1.1
6 nickels is .3 then you have 8 dimes worth .8$ that adds up to 1.1. So we're good
