help mi~

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- Jun 24th 2006, 05:20 AM #1

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- Jun 24th 2006, 07:01 AM #2
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.

- Jun 24th 2006, 07:02 AM #3

- Jun 24th 2006, 07:19 AM #4

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- Jun 24th 2006, 07:28 AM #5

- Jun 24th 2006, 07:30 AM #6