题目内容双击单词支持查询和收藏哦～
收藏
纠错
题目材料：
Transit Company T's projected annual cost consists of staffing costs, fuel costs, and equipment costs in the ratio of 1 to 2 to 5. If the company will run $$50$$ trains per day, approximately what is the projected annual cost for fuel?
-
A.$12 million
-
B.$17 million
-
C.$22 million
-
D.$27 million
-
E.$32 million
E显示答案
