Vineeta bought a book for $$Rs. 18.90$$, a pen for $$Rs. 8.50$$ and some papers for $$Rs. 5.05$$. She gave fifty rupee to the shopkeeper. How much balance did she get back?
Correct option is A. 17.55
Balance she get back = 50 -total cost
= 50 -( bok+pen+paper)
= 50 - (32.45)
= 17.55