in a school there was 100 students,2 pens are distributed to winning students left students has been given 1 pen and total number of distribute is 120 then find the number of winning and rest.
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Let the number of winners be x
number of rest is (100-x)
2x+(100-x)=120
=>x+100=120
=>x=120-100
hence, winners are 20 and others are 80
number of rest is (100-x)
2x+(100-x)=120
=>x+100=120
=>x=120-100
hence, winners are 20 and others are 80
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