选择题
2018 AMC 8 Problem 13: Possible Last Test Scores
Laila took five math tests, each worth a maximum of 100 points. Her score on each test was an integer from 0 to 100. She received the same score on the first four tests and a higher score on the last test. Her average score was 82. How many values are possible for her score on the last test?
2018 AMC 8 第13题：可能的最后测试分数
莱拉参加了五次数学考试，每次考试满分 100 分。她每次测试的分数都是 0 到 100 之间的整数。她在前四次测试中获得相同的分数，在最后一次测试中获得更高的分数。她的平均分数是 82。她上次测试的分数可能有多少个值
A.
4
B.
5
C.
9
D.
10
E.
18