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17 Dec 2012, 07:12
00:00

Difficulty:

5% (low)

Question Stats:

84% (02:03) correct 16% (01:01) wrong based on 472 sessions

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A certain country had a total annual expenditure of $1.2 x 10^12 last year. If the population of the country was 240 million last year, what was the per capita expenditure? (A)$ 500
(B) $1,000 (C)$2,000
(D) $3,000 (E)$5,000
[Reveal] Spoiler: OA
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Re: A certain country had a total annual expenditure of $1.2 x 1 [#permalink] ### Show Tags 17 Dec 2012, 07:16 Expert's post Walkabout wrote: A certain country had a total annual expenditure of$1.2 x 10^12 last year. If the population of the country was 240 million last year, what was the per capita expenditure?

(A) $500 (B)$1,000
(C) $2,000 (D)$3,000
(E) $5,000 240 million = 24*10^7, thus the per capita expenditure = $$\frac{1.2 * 10^{12}}{24*10^7}=\frac{12 * 10^{11}}{24*10^7}=0.5*10^4=5000$$. Answer: E. _________________ Senior Manager Joined: 13 Aug 2012 Posts: 464 Concentration: Marketing, Finance GMAT 1: Q V0 GPA: 3.23 Followers: 22 Kudos [?]: 348 [0], given: 11 Re: A certain country had a total annual expenditure of$1.2 x 1 [#permalink]

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18 Dec 2012, 21:38
$$=\frac{1.2x10^{12}}{240x10^{6}}$$
Notice that 1.2 and 240 we could manipulate to make it to $$120/240$$

$$=\frac{120x10^{10}}{240x10^{6}}=0.5x10^{10-6}=0.5x10^{4}=5,000$$

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Re: A certain country had a total annual expenditure of $1.2 x 1 [#permalink] 18 Dec 2012, 21:38 Similar topics Replies Last post Similar Topics: 1 A certain company had a total annual expenditure of 2 17 Feb 2016, 04:30 In a certain company, the total monthly payroll for the 12 production 3 20 Nov 2015, 01:18 1 Of the 13 employees in a certain department, 1 has an annual 1 24 Feb 2013, 07:47 A certain country had a total annual expenditure of$1.2 x 5 27 May 2007, 21:44
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