on a shopping trip

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on a shopping trip

by sanju09 » Wed Mar 24, 2010 6:12 am
Of the total amount that Jill spent on a shopping trip, excluding taxes, she spent 50 percent on clothing, 20 percent on food, and 30 percent on other items. If Jill paid a 4 percent tax on the clothing, no tax on the food, and an 8 percent tax on all other items, then the total tax that she paid was what percent of the total amount that she spent, excluding taxes?
(A) 2.8%
(B) 3.6%
(C) 4.4%
(D) 5.2%
(E) 6.0%
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by neoreaves » Wed Mar 24, 2010 6:39 am
Lets say she spent the following amounts

50 on C
20 on F
30 on O

Tax on C = 4/100 * 50 = 2

Tax on O = 8/100* 30 = 2.4

Total tax = 4.4

% asked = 4.4/100 = 4.4% ( Note: we didnt divide by 104.4 because we have to find the percent of the total amount that she spent, "excluding taxes")

so IMO C

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by harshavardhanc » Wed Mar 24, 2010 7:10 am
sanju09 wrote:Of the total amount that Jill spent on a shopping trip, excluding taxes, she spent 50 percent on clothing, 20 percent on food, and 30 percent on other items. If Jill paid a 4 percent tax on the clothing, no tax on the food, and an 8 percent tax on all other items, then the total tax that she paid was what percent of the total amount that she spent, excluding taxes?
(A) 2.8%
(B) 3.6%
(C) 4.4%
(D) 5.2%
(E) 6.0%
4 of 1/2 + 8 of .3 = 2 + 2.4 = 4.4 %. IMO C :)
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Harsha