Shopping discount
A jacket costs $120 and is discounted by 25%.
- Find the discount: $120 × 25 ÷ 100 = $30.
- Subtract it from the price: $120 − $30 = $90.
Final price: $90
Exam score
You answered 42 questions correctly out of 50.
42 ÷ 50 × 100 = 84%
Score: 84%
Restaurant tip
The bill is $68 and you want to leave an 18% tip.
- Tip: $68 × 18 ÷ 100 = $12.24.
- Total: $68 + $12.24 = $80.24.
Total with tip: $80.24
Sales growth
Monthly sales rose from 240 units to 300 units.
(300 − 240) ÷ 240 × 100 = 25%
Sales increased by 25%.
Price decrease
A subscription price falls from $50 to $42.
(42 − 50) ÷ 50 × 100 = −16%
The price decreased by 16%.
Markup
An item costs $40 and is marked up by 35%.
$40 × (1 + 35 ÷ 100) = $54
Selling price: $54