SOLUTION: All 32 students in a class write a math exam. The average mark of the students is 72. What is the sum of the students marks?
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Question 1019969: All 32 students in a class write a math exam. The average mark of the students is 72. What is the sum of the students marks? Answer by ikleyn(52781) (Show Source):
You can put this solution on YOUR website! .
All 32 students in a class write a math exam. The average mark of the students is 72. What is the sum of the students marks?
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It is 72*32
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Comment from student: I'm sorry but the answer you submitted "it is 72*32" doesn't make sense. What does that mean miss? Thank you
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My response:
The average mark = .
In other words, = 72.
Hence, = 72*32.
Exactly as I wrote above in my first post, thinking that the rest is obvious.
You only need to calculate it.
