Question

If the price of a book is reduced by Rs.5, a person can buy 4 more books for Rs.600. Find the original price of the book.

Answer 1

cost of book =₹30
answer is above
may it help you

Answer 2

The original price of 1 book is Rs.30

Step-by-step explanation:

Let the cost of book be x

No. of books be  y

Cost of y books = xy

So, xy = 600

The price of a book is reduced by Rs.5, a person can buy 4 more books

Price of book = x-5

No. of books = y+4

So, (x-5)(y+4)=600

Plot the lines on the graphs

xy = 600 ---- Blue

(x-5)(y+4)=600 --- Green

Intersection point = (x,y)=(30,20)

So, The original price of 1 book is Rs.30

#Learn more:

If the price of a book is reduced by Rs.5 ,a person can buy 5 more books for Rs.300 . Find the original list price of the article ?

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