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A college chemistry course is divided into two sections. In section A, the average score in the final examination was 92. In section B, the average score in the final examination was 84. If the average score of all 40 students in the course was 89, how many students are in section A?
(A) 15
(B) 18
(C) 20
(D) 22
(E) 25
The OA is the option E.
What is the equation that solves this PS question? Help, someone. Thanks in advanced.
(A) 15
(B) 18
(C) 20
(D) 22
(E) 25
The OA is the option E.
What is the equation that solves this PS question? Help, someone. Thanks in advanced.
