Question

Marked price of a book is ₹30.It is sold at a discount of 15%.Find the discount allowed on the book and its selling price.​

Answer 1

Answer:

MP=30

Discount percent =15%

Discount =15%of 30

=15/100×30

=4.5

SP=MP-discount

SP=30-4.5

SP=25.5 Rupees

Please MARK AS BRAINLIEST

Answer 2

⏩Given information

• ↠ Marked prices of a book is Rs.30
• It is sold at a discount of 15%

⏩What we have to calculate

• ↠We have to calculate Discount allowed on the book and it's Selling price

⏩How we calculate

• ↠ Assume a variable (unknown) eg: x or y
• ↠ According to the given statement setup the equation in terms of x or y
• ↠solve the equation
• ↠ After getting the Discount allowed on the book we will subtract Selling price

⏩Let's as assume

• ↠ The discount allowed on the book is Rs.x

⏩Forming an equation

• ↠ Sold at a discount added discount allowed on the book equal Marked prices

Therefore

• ↠ 15% + x = Rs.30

⏩Solving equation

➥ Sold at discount + Discount allowed = Marked prices

• Submitting values

➥ 15% + x = 30

• 15 % write as 15/100

➥ 15/100 + x = 30

• Transferring sides

➥ 15/100 × 30 = x

• On multiplying

➥ 450/100 = x

• On Dividing 450 by 100

➥ x = 4.5

♟The discount allowed on the book is 4.5%

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⏩Now finding Selling price

❍As we know Selling price = Marked price - Discount allowed

➻ Selling price = 30 - 4.5

• On subtracting

➻ Selling price = 25.5

♟The Selling price of book is Rs.25.5 and discount allowed on the book is 4.5%