Find the ratio of the price of a pencil to that of a ball pen if pencils cost RS 96 per score and ball pens cost RS 50.40 per dozen
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one dozen pencil ₹96
cost of a pencil=96/12
=12
one dozen pens is ₹50. 40
the cost of a pen = 50. 40/12
=4.20
the ratio=12/4.20
=3/1.05
=1/0.35
=100/35
=20/7
=20:7
one dozen pencil ₹96
cost of a pencil=96/12
=12
one dozen pens is ₹50. 40
the cost of a pen = 50. 40/12
=4.20
the ratio=12/4.20
=3/1.05
=1/0.35
=100/35
=20/7
=20:7
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