IdeasCuriosas - Every Question Deserves an Answer Logo

In Mathematics / Middle School | 2014-07-28

In Chemistry class, Andrew has earned scores of 64, 69, and 73 on three tests. He must maintain an average of 70 to pass the course. What score must Andrew earn on the final exam to pass the course?

Asked by Anonymous

Answer (2)

64 + 69 + 73 = 206
4 206 + x ​ = 70
206 + x = 280
x = 74 **
** Andrew needs at least a 74% on the final exam.

Answered by iloveonedirection | 2024-06-10

Andrew needs to score at least 74 on his final exam to maintain an average of 70 and pass the course. This was calculated by determining the total score required for four tests and subtracting the sum of his current scores. By scoring 74 or higher, he will achieve the necessary average.
;

Answered by iloveonedirection | 2024-12-24