The average score of Xiaohua's previous math tests was 80 points, and this time he got 100 points, which just raised the average score of these tests to 85 points?

The average score of Xiaohua's previous math tests was 80 points, and this time he got 100 points, which just raised the average score of these tests to 85 points?


A: This is the fourth time



The average score of Xiao Ming's previous math tests was 80. If he scored 100 in the latest test, his average score will be raised to 84. So, the latest test is the third______ Times


(100-80) △ 84-80, = 20 △ 4, = 5 (Times); a: this test is the fifth time recently