What is 9% of 80?

9% of 80 = 7.2

Formula: 80 × 9 ÷ 100 = 7.2. Or work it out as 9 hundredths: 1% of 80 is 0.8, so 9% is 0.8 × 9 = 7.2.

• 80 − 9% = 72.8 (for example a 9% discount)
• 80 + 9% = 87.2 (for example adding 9% tax or a tip)
• 7.2 is 9% of 80

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