The overall average marks for all students in a school is 72. Science stream students have an average of 85, while Arts stream students have an average of 65. If there are 25 Science students, determine the number of Arts students.

Question

Accepted Answer

1. Let the number of Arts students be $A$. 
2. Total marks equation: $85	imes25+65A=72(25+A)$. 
3. Compute: $2125+65A=1800+72A\Rightarrow325=7A\Rightarrow A=325/7\approx46.4$. 
4. Match to choices: **(c) 46.4**.

FINAL_ANSWER: c

Answer

Answer

Answer