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kkatie
Junior Member

USA
3 Posts

Posted - 04/19/2007 :  17:02:03  Show Profile  Reply with Quote
so i've been studying to take the thea test. and i'm kind of stuck on how to do question number five. any guidance would be greatly appreciated.


The first pie chart represents a company's expenditures, and the second pie chart shows a breakdown of the company's advertising expenditures. What percent of the company's expenditures is spent on radio advertising?





A. 6.3%

B. 11.7%

C. 18.0%

D. 35.0%
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Subhotosh Khan
Advanced Member

USA
9117 Posts

Posted - 04/19/2007 :  17:13:08  Show Profile  Reply with Quote
quote:
Originally posted by kkatie

so i've been studying to take the thea test. and i'm kind of stuck on how to do question number five. any guidance would be greatly appreciated.


The first pie chart represents a company's expenditures, and the second pie chart shows a breakdown of the company's advertising expenditures. What percent of the company's expenditures is spent on radio advertising?





A. 6.3%

B. 11.7%

C. 18.0%

D. 35.0%



r = Radio expenditure = 18% of (ad expenditure) = 0.18 * a .....(1)

a = ad expenditure = 35% of (total expenditure) = 0.35 * t .....(2)

using (2) in (1)

r = 0.18 * a = 0.18 * 0.35 * t = 0.063 * t

Now finish it....
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sahsjing
Advanced Member

USA
2399 Posts

Posted - 04/19/2007 :  19:36:27  Show Profile  Reply with Quote
Mental math approach:
35% of the total is used in ad, 18% of ad is used in radio. Therefore, 18% of 35% of the total is used in radio ad.
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kkatie
Junior Member

USA
3 Posts

Posted - 04/20/2007 :  18:03:39  Show Profile  Reply with Quote
thanks! i was thinking about it all wrong.
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