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UNEMPLOYMENT as a % of Total Labor Force for Country A From

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UNEMPLOYMENT as a % of Total Labor Force for Country A From [#permalink]  10 Sep 2008, 06:39
UNEMPLOYMENT as a % of Total Labor Force for Country A From 1982-1987
1982 - 6%
1983 - 10%
1984 - 9%
1985 - 8%
1986 - 8%
1987 - 7.5%

If the total labor force in 1982 was m million workers, and the labor force in 1987 was 0.4 million workers more than this, what was the increase in the number of unemployed members of the workforce from 1982 to 1987, in millions?

a) 0.6m+0.03
b) 0.15m+0.03
c) 0.6m-0.03
d) 0.15m-0.03
e) 0.55m
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Re: Math Question [#permalink]  10 Sep 2008, 06:54
HVD1975 wrote:
UNEMPLOYMENT as a % of Total Labor Force for Country A From 1982-1987
1982 - 6%
1983 - 10%
1984 - 9%
1985 - 8%
1986 - 8%
1987 - 7.5%

If the total labor force in 1982 was m million workers, and the labor force in 1987 was 0.4 million workers more than this, what was the increase in the number of unemployed members of the workforce from 1982 to 1987, in millions?

a) 0.6m+0.03
b) 0.15m+0.03
c) 0.6m-0.03
d) 0.15m-0.03
e) 0.55m

(m+0.4)*0.075 - m*0.06
= 0.015m+0.03
i don't see this option.. probably it is B. (May be typo)
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Re: Math Question [#permalink]  10 Sep 2008, 07:01
Yes...typo! b anc c should have been 0.015m + 0.03 and 0.015m - 0.03 respectively. Thank you.
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Re: Math Question [#permalink]  10 Sep 2008, 14:10
typo...should be B

7.5/100(m+0.4) - 6/100(m) = 0.015m + 0.03
Re: Math Question   [#permalink] 10 Sep 2008, 14:10
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