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How many nickles does bill have? 1. Bill has a total of 17

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GMATT73
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How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   12 Dec 2005, 07:22
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How many nickles does bill have?

1. Bill has a total of 17 nickles and dimes.
2. Bill has $1.30



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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   12 Dec 2005, 07:41
GMATT73 wrote:
How many nickles does bill have?

1. Bill has a total of 17 nickles and dimes.
2. Bill has $1.30

My choice is C
Not sure though
Matt anyways could U shed some light for what is nickles nominal and dime!I am not sure
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   12 Dec 2005, 07:49
Yurik79 wrote:
GMATT73 wrote:
How many nickles does bill have?

1. Bill has a total of 17 nickles and dimes.
2. Bill has $1.30

My choice is C
Not sure though
Matt anyways could U shed some light for what is nickles nominal and dime!I am not sure


Penny= .01
Nickle = .05
Dime= .10
Quarter= .25
Half dollar= .50
Dollar/Buck= $1
"Bill" or "Benjamin"= $100
Grand= $1000
"High society"= $10,000
"Six figures"= $100,000
"Mil"= $1,000,000

(You only need to know the first four for the GMAT 8-) )
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   12 Dec 2005, 08:43
GMATT73 wrote:
Yurik79 wrote:
GMATT73 wrote:
How many nickles does bill have?

1. Bill has a total of 17 nickles and dimes.
2. Bill has $1.30

My choice is C
Not sure though
Matt anyways could U shed some light for what is nickles nominal and dime!I am not sure


Penny= .01
Nickle = .05
Dime= .10
Quarter= .25
Half dollar= .50
Dollar/Buck= $1
"Bill" or "Benjamin"= $100
Grand= $1000
"High society"= $10,000
"Six figures"= $100,000
"Mil"= $1,000,000

(You only need to know the first four for the GMAT 8-) )
TNX Matt
here is my solution
1 insuff because all we can find out is total number
of coins
2 insuff just total sum of money

1&2 together
Let X->be nickels Y->be dimes from first stem x+y=17 x=17-y
from second 5cents*x+10cents*y=130cent----> 5cents(x+2y)=130
divide both sides on 5 we get (x+2y)=26
substitute X for 17-y --->17-y+2y=26 y=9 x= 8
So Bill have 9 dimes and 8 nickels total 1.30$
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   12 Dec 2005, 10:23
B.

i didn't solve it but common ETS trap :lol:
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   13 Dec 2005, 00:10
It is a common ETS trap, amd B or C are not the correct answers.
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   13 Dec 2005, 00:46
GMATT73 wrote:
It is a common ETS trap, amd B or C are not the correct answers.


C should be ans.

n: number of nickels
d: dumber of dimes

S1:
n + d = 17

S2:
5n + 10d = 130 or
n + 2d = 26

two equations can be solved to get:
n = 8
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   13 Dec 2005, 05:19
think it should be E). We do noit know if Bill has other denominations
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   13 Dec 2005, 05:38
BG wrote:
think it should be E). We do noit know if Bill has other denominations
If so it is impossible to solve.I think in this case it is incorrect question
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   13 Dec 2005, 06:41
BG wrote:
think it should be E). We do noit know if Bill has other denominations


EXACTLY! The question doesn`t specify that Bill ONLY has nickles and dimes. Beware of such "clever wording" traps towards the end of your test. Never ASSUME anything.

OA is E.
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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink] New post   13 Dec 2005, 12:15
It is C if there are only nickels and dimes. However, if 2) allows the possible inclusion of pennies and quarters, it is E.



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Re: How many nickles does bill have? 1. Bill has a total of 17 [#permalink]
13 Dec 2005, 12:15
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