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September 16, 2014

September 16, 2014

Posted by **Nahar** on Friday, October 4, 2013 at 4:11am.

The average age of a family of 6 members is 25 years. The average of the family after a 45 years old members leaves is?

In a course a students final exam is weighted twice as heavily as his midterm exam.If a student receives a score of 84 on his final exam and 90 on his midterm exam ,what is the average for the course?

- VNS,Math -
**Steve**, Friday, October 4, 2013 at 5:32am#1: If the price is x, then we must have

50*60 + 25*56 + 25x = 58(50+25+25)

#2: (6*25-45)/5

#3: (90+2*84)/3

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