问题
单项选择题
Questions refer to the following graph.
In 1984 the average cost of operating a subcompact car was approximately what percent less than the average cost of operating a midsized car
AVERAGE COSTSOF OPERATING SUBCOMPACT, COMPACT, AND MIDSIZECARS IN THE UNITED STATES, 1982～1986
答案
参考答案：C
解析： 从图中可以看出在1984年开一辆微型汽车每英里的平均成本是0.36美元，而开一辆中型汽车每英里的平均成本是0.48美元。根据题意可得：[*]
