GMAT考试

【单选题】
A、group of 7 fishermen chartered a boat for a day to fish for flounder. The boat costs x dollars per day to rent. If the group can find 3 more fishermen on the docks who are willing to come aboard and share the rental costs, how much less will the rental cost be per person in terms of x

A、x/70
B、x/35
C、3x/70
D、3x/10
E、3x/7

网考网参考答案：C
网考网解析：
The difference in cost is the difference between x/7 and x/10. x/7-x/10=(10x-7x)/70 =3x/70. document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>