微信扫一扫
实时资讯全掌握
B3.1- 3. In the last year the following information was collected: Total kg of excess baggage carried 10 kg Total miles excess baggage carried 30miles Total cost incurred (e.g. extra fuel) $300. What is the cost of carrying an extra 3kg extra 7 miles? A. $21 B. $22 C. $23 D. $24 |
暂无解析 |