A news paper seller had some news papers. He sells 80% news papers and still has 400 news papers. Originally he had:
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Let x be the original newspapers seller had
ATQ:-
80x/100 = 400
80x = 40000
x = 40000/80
x = 500
So originally he had 500 newspapers
ATQ:-
80x/100 = 400
80x = 40000
x = 40000/80
x = 500
So originally he had 500 newspapers
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