Question

Sanvi purchased some books for Rs. 120. If she purchased 3 more books
for the same amount each book would have cost her Rs. 2 less. Find the
number of books purchased by Sanvi and the price of each book.​

Answer 1

Step-by-step explanation:

$let \: initial \: cost \: of \: one \: book = \frac{120}{x} \\ if \: she \: purchase \: 3 \: more \: book \: then \: cost \: of \: onebook \: = \frac{120}{x + 3} \\ \\ accordng \: to \: question \: \frac{120}{x} - 2 = \frac{120}{x + 3} \\ then \: x \: now \: u \: can \: find \: x$