Question

a price of a pen and a book is 50 rupees. the price of a book is 30 rupees more than that of a pen. what is the price of each?​

Answer 1

Answer:

20,30 is the correct answer.

Answer 2

SOLUTION

GIVEN

Price of a pen and a book is 50 rupees.

The price of a book is 30 rupees more than that of a pen.

TO DETERMINE

The price of each

EVALUATION

Let price of a pen = Rs. P

Now it is given that the price of a book is 30 rupees more than that of a pen.

So price of a book = Rs. ( P + 30 )

It is given that the Price of a pen and a book is 50 rupees.

So by the given condition

P + P + 30 = 50

⇒ 2P + 30 = 50

⇒ 2P = 50 - 30

⇒ 2P = 20

⇒ P = 10

Hence we have ,

Price of a pen = Rs. 10

Price of a book = Rs. ( 10 + 30 ) = Rs. 40

FINAL ANSWER

Price of a pen = Rs. 10

Price of a book = Rs. 40

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