karan bought some pencils and pens .pencils were 35 more then the pens , if the ratio of the pencils to the pens was 8:3 . how many of each type did he buy?
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Let no of pencil be 8x
so pens =3x
so 8x-3x =35
5x =35
x=7
so pens =3x=21
pencils=8x=56
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