if the price of book is redued by ₹ 5 . a person can buy 5 more books for ₹300 .find the original price of the book ???
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if 5 book is of 300 rupees then 1 book is of 60 rupees and add 5 rupees in 1 book' s so one book is of 65 rupees
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Let no. of books be n
let prices of book be x.
therefore, nx=300____(i)
now prices reduced by 5 nd no. of books increased by 5
(x-5)(X+5)=300_____(ii)
on solving equation (i)&(ii) we get,
X=20
n=15
let prices of book be x.
therefore, nx=300____(i)
now prices reduced by 5 nd no. of books increased by 5
(x-5)(X+5)=300_____(ii)
on solving equation (i)&(ii) we get,
X=20
n=15
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