The Question is based on concept of Cost Price and selling Price is 5.2$
What is Cost PRice and Selling PRice?
Cost price is the actual price of an object where as selling price is the price in which seller sells it to customer
Solution
Cost Price of batteries = 4$
and shopkeeper can charge upto 30% interest
hence selling price will be 4$ + 30% of 4$
= 4 + 30/100(4)
= 4 + 1.2
5.2$
Hence answer to this Question is 5.2$
and this 5.2$ is the selling price of duracell batteries whereas 4$ was the cost price for the same
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