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We can create 3 equations at first

t = x + y (total votes = x + y)
x = 0.2t + y (x received 20% of total votes more than y)
y = 70

How many votes did y loose by means: x - y
If we manipulate the second equation above we get: x - y = 0.2t

Now plug t = x + y
x - y = 0.2(x + y)

Now plug y = 70
x - 70 = 0.2(x + 70)
x - 0.2x = 70 + 14
x(1 - 0.2) = 84
x = 84/0.8
x = 105

Thus: x - y = 105 - 70 = 35
Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


 


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Proposal Y got 70 votes,

Proposal X got 20% more of the total votes than Proposal Y, i.e. 70 + 14 votes

Number of votes by which Proposal Y lost = Votes received by X - Votes Received By X = 84 - 70 = 14

Therefore, Option A is the answer
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Correct Answer: 35 Option C
Given, if X received 20% more total votes than Y, that means X received 60% votes and Y received 40% votes
Y receives 70 votes
If 70 vote= 40%
then 60% vote= 105 votes
Net difference= 35 votes
Check with total votes too
Total Votes= 175
Net loose= 20%
Difference= 35 votes
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Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


 


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This one was tricky in its wording.

Take y for the amount of votes received by Project Y: y = 70 [I]
Take x for the amount of votes received by Project X [ 20% of the total votes more than Proposal Y ]: x = y + 0,2*t7 [II]
And t as the total votes: t = x + y [III]

Replace [III] in [I]:
x = 0,2y + 0,2x + y
0,8x = 1,2y

But y = 70, hence:
0,8x = 1,2*70 = 84

Therefore: x = 105

So x won y by 105 - 70 votes = 35 votes.
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Proposal X received 20% more votes than Proposal Y

The split should be 60-40 in that case. The difference is 20%

If Proposal Y received 70 votes which constitutes 40%, 70 divided by 2 gives us 35 votes as the difference.
Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


 


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C. 35

Total = X + Y
Y = 70
X = Y + 0.2T
X = 70 + 0.2T

T = (70+0.2T) + 70
0.8T =140
T = 175

Lost votes -> X-Y = (70+0.2*175) - 70 = (70+35) - 70 = 35
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Given : There are only 2 proposals
Hence X recieved 20% more votes than Y, that is 20% of 70 = 14
Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


 


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for the GMAT Club Olympics Competition

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Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140
Given, X=Y+.2(X+Y)

.8X=1.2Y

Substituting Y = 70 in the above gives X=105

Thus, Y lost by 105-70=35 votes
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Given,
Total votes received on Proposal X (a) = Total votes received on Proposal Y (b) + 20%......(i)
Total votes received on Proposal Y = 70 votes......(ii)
Solution:
Total voting done, (x) = a + b
100 % = b + 20% + b
b = 40 %
Using info (ii),
40% of x = 70
X = 70 *100/40

As we know, Y lost by 20% of total votes = (20/100 )*( 70 *100/40)
= 35 votes

Ans : C


Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


 


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for the GMAT Club Olympics Competition

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X has 20% more than total votes of Y
votes of Y = 70

Total votes for X = (100+20)*70/100 = 84 votes
Votes by Y lose = 84-70 = 14 votes
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Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

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Let
Total votes = T
Project X votes = X

Given that
Project Y votes = 70

Now as per the question
X = 70 + 20% * T

Now we have
T = X + Y (as everyone voted for exactly one proposal)
=> T = 70 + 20% * T + 70
=> T = 140 + 20% * T
=> 0.8T = 140
=> T = 140/0.8 = 175

Now X = 70 + 20% * T
=> X = 70 + 20% * 175
=> X = 70 + 35
=> X = 105

Vote difference = X - Y = 105 - 70 = 35
Y lost by 35 votes

IMHO Option C
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proposal y received 70 votes
we are told proposal x received 20 percent **of total votes** more than proposal y

let total votes be t
since y got 70 votes, x got 70 + 0.2t votes
but x + y = total votes → x + 70 = t
substitute x = 70 + 0.2t
then 70 + 0.2t + 70 = t
140 + 0.2t = t
140 = 0.8t
t = 175

so total votes = 175
proposal x = 175 − 70 = 105
difference = 105 − 70 = 35

final answer is c
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Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


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Proposal X received 20% more than Y and total percentage should be 100. So there is only one condition that is Y received 40% and X received 60% votes. If 40%=70 then 60% would be 105. Then subtracting both gives us 35. Or another way is we need to find the difference between the votes so it would be 20% that is 35. Option C
Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

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Bunuel
In a company-wide vote between two project proposals, each employee voted for exactly one proposal. Proposal X received 20% of the total votes more than Proposal Y. If Proposal Y received 70 votes, by how many votes did it lose?

A. 14
B. 28
C. 35
D. 105
E. 140


 


This question was provided by GMAT Club
for the GMAT Club Olympics Competition

Win over $30,000 in prizes such as Courses, Tests, Private Tutoring, and more

 


Let the votes for proposal X = x and proposal Y= y. Since each employee voted for only 1 proposal each, hnece total = x + y
y = 70; x = 1.2 y (y + 20% of y)
x = 84
Hence Y lost by 84-70 = 14 votes
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X + Y = T

X = (20/100 * T) + Y

Y = 70

(20/100 * T) + 2Y = T
=> 2*140 = 4/5 * T

On solving => T = 175

Number of votes lost by Y = T - Y = 175 - 70 = 105

Ans. D

Note: Cross verify: Number of votes lost by Y = Number of votes gained by X = (20/100 * 175) + 70 = 105
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Let T be the total votes.
Y received 70.
X received 70 + 20% of T

Therefore,
70 + (70 + 0.2T) = T
140 = T - 0.2T
140 = 0.8T
T = 175
Therefore, the difference in votes = 175 - 140 = 35.
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