Answer:
The cost of the 5 pencils would be Rs 60. The shopkeeper returned 40 rupees back since she gave him 100 Rs.
Explanation:
1. You times the pencils by the price.
2. 5x12=60 That is the cost of the 5 pencils.
3. You then subtract the cost of the pencils (60) from the amount Subi gave to the shopkeeper.
4. 100-60=40
5. Since the price of the pencils is 60 the shopkeeper would return Rs 40.
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