The ratio of the cost price of a pen to that of a pencil is 3 : 4 3:4 3 : 4 . A shopkeeper marks up the price of both the pen and the pencil by 20 % 2...
Question
The ratio of the cost price of a pen to that of a pencil is . A shopkeeper marks up the price of both the pen and the pencil by above their respective cost prices. He then offers a discount on each item. If the shopkeeper's total profit from selling one pen and one pencil is Rs. $2.8$, what is the cost price of the pen?