Answers

2014-03-11T20:46:20+05:30
X + y = 300
y = 300 - x
sub stitute y = 300 - x
300 - x = 300 - x
 -2 x = 300
 x = 300 / 2
x = 150
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2014-03-13T08:20:48+05:30
Let one student amount be x and other's be y
then x+y=300
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