a shop keeper buys a number of books for Rs.80. if he had bought 4 more books for the same amount, each book would have cost him Re.1. How many books did he buy?
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out of one book=Re 1
No of books buyed by shopkeeper for re. 80=80×1= 80
so 80+4=84 Ans
No of books buyed by shopkeeper for re. 80=80×1= 80
so 80+4=84 Ans
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4
No of Rs 80
cost of one book 1 Rs then
80×1 =80books.
we have added four more books then 4×1=4 books so 80+4=84 books
cost of one book 1 Rs then
80×1 =80books.
we have added four more books then 4×1=4 books so 80+4=84 books
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