AMC 8 1987 Problem 15
AMC8 1987 年第 15 题
方程与不等式★★★☆☆
The sale ad read: "Buy three tires at the regular price and get the fourth tire for $3. " Sam paid $240 for a set of four tires at the sale. What was the regular price of one tire?
促销广告写道："以原价购买三个轮胎，第四个轮胎仅需 $3。" Sam 在促销中以 $240 买了一套四个轮胎。一个轮胎的原价是多少？
- A.$59.25
- B.$60
- C.$70
- D.$79
- E.$80
正确答案 · Correct Answer
D
解析 · Solution
解析整理中
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