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According to surveys at a company, 20 percent of the employees owned

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According to surveys at a company, 20 percent of the employees owned  [#permalink]

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New post 13 Jul 2018, 00:46
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A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

80% (01:01) correct 20% (01:08) wrong based on 25 sessions

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According to surveys at a company, 20 percent of the employees owned cell phones in 1994, and 60 percent of the employees owned cell phones in 1998. From 1994 to 1998, what was the percent increase in the fraction of employees who owned cell phones?

A. 3%
B. 20%
C. 30%
D. 200%
E. 300%

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Re: According to surveys at a company, 20 percent of the employees owned  [#permalink]

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New post 13 Jul 2018, 01:43
percent increase = (percent change/original ) * 100%
= ((60% - 20%)/20%) * 100%
= 200%

Hence, D.
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According to surveys at a company, 20 percent of the employees owned  [#permalink]

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New post Updated on: 13 Jul 2018, 04:36
Bunuel wrote:
According to surveys at a company, 20 percent of the employees owned cell phones in 1994, and 60 percent of the employees owned cell phones in 1998. From 1994 to 1998, what was the percent increase in the fraction of employees who owned cell phones?

A. 3%
B. 20%
C. 30%
D. 200%
E. 300%



This question is about % change.

Formula : (new rate - old rate ) / old rate

Let assume the number of employees be 100.

1994 : 20
1998 : 60

Change in Number = 40


So,

(40 / 20) * 100

= 200 %

Thus the best answer is D.

Originally posted by selim on 13 Jul 2018, 04:28.
Last edited by selim on 13 Jul 2018, 04:36, edited 1 time in total.
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Re: According to surveys at a company, 20 percent of the employees owned  [#permalink]

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New post 13 Jul 2018, 04:31
selim wrote:
So,

(40 / 20) * 100

= 200 %

Thus the best answer is B.


D you mean ?...must be a typo
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Re: According to surveys at a company, 20 percent of the employees owned &nbs [#permalink] 13 Jul 2018, 04:31
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