Question

if the cost of 16 books is rs300, find the cost of 18 books?​

Answer 1

Step-by-step explanation:

No. of books = 16

Cost of 16 books = Rs. 300

∴ Cost of 1 book = Rs. 300/16

Hence the cost of 18 books = Rs. ( $\frac{300}{16}$ × 18)

                                        = Rs. 337.50 (Ans)

Answer 2

Answer:

Answer = 337.5

Step-by-step explanation:

Let the cost 18 books be x

ATQ

Cost of 16 books = 300 rupees

Cost of 1 book = 300/16=18.75 rupees

Cost of 18 books = 18.75*18= 337.5

So the cost of 18 books is 337.5