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March 30, 2015

Homework Help: maths-urgent

Posted by Anonymous on Wednesday, January 16, 2013 at 11:34am.

Arjun spent Rs.12 to purchase some pens and pencils.The cost of a pen and pencil are in the ratio 3:2.
the total cost of a pen and a pencil is Rs. 3.
if the total number of pens and pencils he purchased is7,
find the number of pens he purchased.

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