Rita had enough money to buy 15 books for Rs. 30 each. If the price of each book increases, resulting in a total cost increase of Rs. 45, how many books can she buy now? How much money will be left with her?
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let rita has xmoney...
15×30=450
increase in the price of the book=45 in total.
450/45=100 is increase money..
16×30=480
480/30=16 books
money left with her is 20 rs..
if she was having 500rs.
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