By increasing the price of book by rs 10 a person can buy 10 less books for rs1200. Find the original price of book??
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orginal price of a book= x
now price of a book is= x+10
price of ten books= 1200= (x+10)10
1200=10x+100
1100=10x
x=110 rs
orginal price of a book=110 rs
now price of a book is= x+10
price of ten books= 1200= (x+10)10
1200=10x+100
1100=10x
x=110 rs
orginal price of a book=110 rs
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