Question

Ana 五月的月薪是两千美元。六月她加薪 $20\%$ 。七月她又降薪 $20\%$ 。经过六月和七月这两次变化后，Ana 的月薪是

Ana's monthly salary was $2000 in May. In June she received a $20\%$ raise. In July she received a $20\%$ pay cut. After the two changes in June and July, Ana's monthly salary was

$1920

$1980

$2000

$2020

$2040

答案：A

知识点：百分数

难度评级：960

解答：

加薪后，工资为 $2000 \cdot 1.2 = 2400$ 。

降薪后，工资为 $2400 \cdot 0.8 = 1920$ 。

所以正确答案是 A。

After the raise, the salary is $2000 \cdot 1.2 = 2400$ .

After the cut, it is $2400 \cdot 0.8 = 1920$ .

Thus, the correct answer is A .

1996 AMC 8 第 18 题

答案：A

难度评级：960

解答：

其他年份的第 18 题