Question

if 25 copy of a book cost rs/ 5250 so what is the cost of 1 copy of a book​

Answer 1

Answer:210rs

Step-by-step explanation:5250/25=price on one copy

Answer 2

Answer :-

☆ Cost of 1 copy will be Rs 210. ☆

Step-by-step explanation-

Given,

• Cost or 25 copies = Rs 5250

We have to find-

• Cost of 1 copy

Solution-

By unitary method -

$\sf {⇒Cost \: of \: 25 \: copies = Rs \: 5250}$

$\sf {⇒Cost \: of \: 1 \: copy = \frac{5250}{25} = Rs \: 210}$

______________________________________

Additionally

What is unitary method ?

$⇒$ The method in which we find the value of one unit and then the value of required of units is known as unitary method.

The simple rules used in this method are-

• To get more, we multiply.
• To get less, we divide.