a) if 6 students scored 50 marks then 3 students scored 25 marks.
Number of points scored by x students must be between 24.5 and 51.
So if x = 3 then number of points scored by x students is 25 and number of points scored by 2x students is 50.
Solution is x=3.
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nothing to be sorry about, just a mistake. (I'm never actually mad at these posts ;) )Quote:
Originally Posted by xiaoz