In a group of 100 adults, 75 percent of the women are

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Magoosh

In a group of 100 adults, 75 percent of the women are left-handed. If there are 12 right-handed women in the group, how many men are in the group?

A. 48
B. 52
C. 54
D. 60
E. 62

OA B

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by Brent@GMATPrepNow » Sun Feb 10, 2019 6:12 am
AAPL wrote:Magoosh

In a group of 100 adults, 75 percent of the women are left-handed. If there are 12 right-handed women in the group, how many men are in the group?

A. 48
B. 52
C. 54
D. 60
E. 62

OA B
GIVEN: 75% women are LEFT handed
This also tells us that 25% women are RIGHT handed

GIVEN: There are 12 right-handed women
Let W = total number of women in the group

So, 25% of W = 12
Rewrite as: 0.25W = 12
Solve: W = 12/0.25 = 48
So, there are 48 women

So, the number of men in the group = 100 - 48 = 52

Answer: B

Cheers,
Brent
Brent Hanneson - Creator of GMATPrepNow.com
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by Scott@TargetTestPrep » Tue Feb 12, 2019 7:34 pm
AAPL wrote:Magoosh

In a group of 100 adults, 75 percent of the women are left-handed. If there are 12 right-handed women in the group, how many men are in the group?

A. 48
B. 52
C. 54
D. 60
E. 62

OA B
Since 75% of the women are left-handed, the 12 right-handed women constitute 25% of the women. Letting w = the total number of women, we can create the equation:

0.25w = 12

w = 48, so the number of men is 52.

Answer: B

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