Question

24., A shopkeeper purchases a certain number of books for
3960. If the cost per book was 8 less, the number
of books that could be purchased for 960 would be
4 more. Write an equation, taking the original cost of
each book to be *x, and solve it to find the original
cost of the books.
(ICSE 2013​

Answer 1

Answer:

Step-by-step explanation:

Let the number of book bought by the shopkeeper be x and the cost per book be y. If the cost per book was Rs. 8 less i.e. (y - 8), then 4 more books could be bought. i.e. (y - 8) * ((x + 4) = Rs 960

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