题目信息
A car traveled 462 miles per tankful of gasoline on the highway and 336 miles per tankful of gasoline in the city. If the car traveled 6 fewer miles per gallon in the city than on the highway, how many miles per gallon did the car travel in the city?
A:14
B:16
C:21
D:22
E:27
参考答案及共享解析
共享解析来源为网络权威资源、GMAT高分考生等； 如有疑问，欢迎在评论区提问与讨论
本题耗时：
已选答案：
正确答案：
B:16
Algebra Applied problems
Let g be the number of gallons of gasoline in 1 tankful. Then the number of miles per gallon while traveling on the highway is
and this number is 6 more than 
, which is the number of miles per gallon while traveling in the city. Solving 
= 6 + 
gives g = 21. Therefore, the number of miles per gallon while the car was traveling in the city was 
= 16.
The correct answer is B.
Let g be the number of gallons of gasoline in 1 tankful. Then the number of miles per gallon while traveling on the highway is
and this number is 6 more than , which is the number of miles per gallon while traveling in the city. Solving = 6 + gives g = 21. Therefore, the number of miles per gallon while the car was traveling in the city was = 16.The correct answer is B.
加入收藏
在线答疑
题目来源
