What is 20% Off 45?
Sale price (20% off 45)
36
You save: 9
How to calculate 20% off 45
- Find 20% of 45: 45 × 0.2 = 9
- Subtract the discount: 45 − 9 = 36
45 × (1 − 20/100) = 45 × 0.8 = 36
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