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19 Oct 2005, 20:05
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E
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Difficulty:
15%
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Question Stats:
75% (00:53) correct
25%
(00:52)
wrong
based on 952
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From 1984 to 1987, the value of foreign goods consumed annually in the United States increased by what percent?
(1) In 1984 the value of foreign goods consumed constituted 19.8% of the total value of goods consumed in the United States that year
(2) In 1987 the value of foreign goods consumed constituted 22.7% of the total value of goods consumed in the United States that year.
(1) In 1984 the value of foreign goods consumed constituted 19.8% of the total value of goods consumed in the United States that year
(2) In 1987 the value of foreign goods consumed constituted 22.7% of the total value of goods consumed in the United States that year.
19 Oct 2005, 20:28
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I get E
Value of foreign goods in 1984 - a
Total value of goods in 1984 - x
Value of foreign goods in 1987 - b
Total value of goods in 1984 - y
Need to find -> ((b-a)/a)*100
A) Insuff. a = 19.8%(x)
B) Insuff. b = 22.7%(y)
Together,
((b-a)/a)*100 = [22.7y-0.198x]*100/0.198x
We don't know x and y. So Insuff.
Value of foreign goods in 1984 - a
Total value of goods in 1984 - x
Value of foreign goods in 1987 - b
Total value of goods in 1984 - y
Need to find -> ((b-a)/a)*100
A) Insuff. a = 19.8%(x)
B) Insuff. b = 22.7%(y)
Together,
((b-a)/a)*100 = [22.7y-0.198x]*100/0.198x
We don't know x and y. So Insuff.
