AMC8 1990
AMC8 1990 · Q8
AMC8 1990 · Q8. It mainly tests Fractions, Percent.
A dress originally priced at $80 was put on sale at 25% off. If 10% tax was added to the sale price, then the total selling price of the dress was
一件原价 80 美元的连衣裙打 25% 折销售。销售价上再加 10% 税，总售价是
(A)
$45
$45
(B)
$52
$52
(C)
$54
$54
(D)
$66
$66
(E)
$68
$68
Answer
Correct choice: (D)
正确答案：（D）
Solution
The sale price was $\frac{3}{4}(\$80) = \$60$. Thus the tax was $\$$6 and the total was $\$$66.
销售价为 $\frac{3}{4}(\$80) = \$60$。税为 $\$$6，总价为 $\$$66。
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