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In 1970, company X had 2,000 employees, 15% of whom were

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GMAT Club Legend
GMAT Club Legend
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Joined: 07 Jun 2014
Posts: 4710
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1612 [0], given: 375

CAT Tests
In 1970, company X had 2,000 employees, 15% of whom were [#permalink] New post 14 Jul 2018, 05:06
Expert's post
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Question Stats:

66% (00:55) correct 33% (00:00) wrong based on 3 sessions
In 1970, company X had 2,000 employees, 15% of whom were women, and 10% of these women were executives. In 2012, the company had 12,000 employees, 45% of whom were women. If
40% of those women were executives, what was the percent increase in the number of women executives from 1970 to 2012?


[Reveal] Spoiler: OA
7100%

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Sandy
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GMAT Club Legend
GMAT Club Legend
User avatar
Joined: 07 Jun 2014
Posts: 4710
GRE 1: Q167 V156
WE: Business Development (Energy and Utilities)
Followers: 91

Kudos [?]: 1612 [0], given: 375

CAT Tests
Re: In 1970, company X had 2,000 employees, 15% of whom were [#permalink] New post 14 Jul 2018, 05:24
Expert's post
Explanation

In 1970, company X had 0.15(2,000) = 300 female employees. Of those, 0.10(300) = 30 were female executives.

In 2012, company X had 0.45(12,000) = 5,400 female employees. Of those, 0.40(5,400) = 2,160 were female executives.

Percent Change =\(\frac{Difference}{Original}\times 100 \%\)
Percent Change =\(\frac{2130}{30}\times 100 \% = 7100\%\)
_________________

Sandy
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Re: In 1970, company X had 2,000 employees, 15% of whom were   [#permalink] 14 Jul 2018, 05:24
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In 1970, company X had 2,000 employees, 15% of whom were

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