单项选择题

City Y has installed 30 parking meters at15-foot intervals along a straight street．What iS the number of feet between the first meter and the last meter（）

A. 200
B. 420
C. 435
D. 450
E. 465

<上一题目录下一题>

热门试题

单项选择题

In a graduating class of 236 students。142took algebra and 121 took chemistry．What is the greatest number of students that could have taken both algebra and chemistry（）

A. 21
B. 27
C. 37
D. 121
E. 142

单项选择题

For which of the following lists of number is the median equal to the average(arithmetic mean)（）

A. 3，4，7
B. 1，10，19
C. 7，7，10，12
D. 0，1，1，5
E. 0，2，3，4

相关试题