30% Discount on laptop

mediumGrade 6-8discount

The Problem

A laptop costs $150. The store offers a 30% discount. What is the final price?

Answer:

$105

Key Information

  • Original price: $150
  • Discount: 30%

Formula

Final Price = Original Price - (Original Price × Discount%)

Step-by-Step Solution

1

Identify original price and discount

Original price = $150, Discount = 30%
2

Calculate discount amount

Discount = 150 × 30% = 150 × 0.30
3

Calculate discount value

150 × 0.30 = $45
4

Subtract discount from original price

150 - 45 = 105
5

Final answer

The final price is $105

Common Mistakes to Avoid

  • Forgetting to subtract the discount from original price
  • Calculating percentage incorrectly

Helpful Tips

  • Convert percentage to decimal by dividing by 100
  • Multiply, then subtract from original price

Real-World Application

Discount calculations help you save money when shopping during sales.

Related Topics:

percentagediscountmoneyword problems

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