Question

The cost of a book was rupees 350. The bookseller gave me 20%discount. What amount did I pay for the book?

Answer 1

Step-by-step explanation:

cp = 350

D = 20%

D= 20/100 × 350

= 70

Amount after tax = 350 - 70

= 280

Answer 2

You have to pay Rs. 280/- for the book.

Given:

• The cost of a book was rupees 350.
• The bookseller gave me 20% discount.

To find:

• What amount did I pay for the book?

Solution:

Formula to be used:

Amount paid after discount:

$\bf = C.P. \times \frac{100 - D}{100}$

here, C.P.= cost price.

D=% discount

Step 1:

Write the terms.

As,

Cost price (C.P.) is = 350

D%= 20

Step 2:

Find the amount to be paid after discount.

Amount to be paid$= 350 \times ( \frac{100 - 20}{100} )$

or

$= 350 \times \frac{80}{100}$

or

$= 35 \times 8$

or

Amount to be paid$= 280$

Thus,

You have to pay Rs. 280/- for the book.

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