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Average help pls henriyaz 02/18/07
    Hi , my Fav Math Expert,
    How are you? Miss you after long time-hup u can pls help me this one ...pls! in simple step how to work out pls!

    1)The average mark of a student in Mathematics is 14/20.If the sum of the marks is 84, how many marks are included in average?

    2)The average of 2 exams of a students is 17/20.If the difference between the 2 marks is 6, what are the 2 marks?

    3) Mona recieved an average grade of 16 on her 1st 3 exams.On the 4th exam her garde was 14.What must Mona obtain in her 5th so that her overall average is 15?

    Many txs in advance:-)

      Clarification/Follow-up by henriyaz on 02/19/07 11:25 pm:
      Hi! Many txs for your kind help/reply.
      Can you pls see your email as I cannot send the diagram of next Geometry prob(area)
      Surely, will put question here as to gain more points:-)

 
Summary of Answers Received Answered On Answered By Average Rating
1. Hi again! I've been away. I will be here for a few week...
 02/19/07 IQGuruExcellent or Above Average Answer
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