AMC8 2008

AMC8 2008 · Q8

AMC8 2008 · Q8. It mainly tests Averages (mean).

Candy sales of the Boosters Club for January through April are shown. What were the average sales per month in dollars?

助推俱乐部一月至四月的糖果销售额如图所示。每月平均销售额（美元）是多少？

(A) 60 60

(B) 70 70

(D) 80 80

(E) 85 85

Answer

Correct choice: (D)

正确答案：（D）

Solution

Answer (D): The sales in the 4 months were \$100, \$60, \$40 and \$120. The average sales were $\frac{100+60+40+120}{4}=\frac{320}{4}=\$80$.

答案（D）：这4个月的销售额分别是 \$100、\$60、\$40 和 \$120。平均销售额为 $\frac{100+60+40+120}{4}=\frac{320}{4}=\$80$。

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