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Oct 21st, 2017

1a) There are 600 students in Jefferson. So for 300 students, that means half of the school or 50%. It is calculated  300/600.

1b)  There are 450 students in Memorial. So for 270 students, that means 270/450 which gives 60%.

1c) More memorial students watch more than an hour of TV.

2) Jefferson has 600 students. It has been stated that 275 of them are girls. So 275/600 gives 46%. 

Memorial has 450 students. It has been stated that 250 of them are girls. So 250/450 gives 56%

So in conclusion Memorial has more girls than Jefferson.

3a) There are 600 students in Jefferson. So when 75% play the instrument, that means 75/100 multiplied to 600 which gives 450 students

3b) There are 450 students in Memorial. So when 75% play the instrument, that means 75/100 multiplied to 450 which gives 337.50. However we cannot have .50 students. So we round it to the nearest number and it is 338 students approx.


Jan 22nd, 2015

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