Question

The price of pen and a book all in ratio 3:5.The price of a book is 12 rupees more than the price of a pen.
a)If thr price of a pen is taken 3x how can we write the price of a book.
b) Find the price of a pen and that of a book
​

Answer 1

Answer:

Step-by-step explanation:

We will write price of book as 5x.

5x-3x = 12

2x=12

x=6

Cost of book=5*6 = ₹30

Cost of pen=3*6 = ₹18