10% of 30 is 3. To calculate this: 1) Convert 10% to decimal (10/100 = 0.1), 2) Multiply by 30 to get 3.

What is 10% of 30?

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Result

10% of 30 = 3

10\% \times 30 = 30 \times \frac{10}{100} = 3

10% means 10 parts out of 100. To convert a percentage to a decimal, we divide by 100: 10% = 0.1

We multiply our number (30) by the decimal form of the percentage (0.1):
30 × 0.1 = 3

This means that 10% or 0.1 of 30 is 3. In other words, if you take 10% of 30, you get 3.

When a $30 product has a 10% discount, you save $3 and pay $27.

If you want to leave a 10% tip on a $30 meal, you would leave $3 as the tip.

When 10% sales tax is added to a $30 purchase, $3 is added for tax, making the total $33.

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If 10% of your monthly revenue goes to operating expenses and you earn $30, you spend $3 on operations.

If a hospital reduces infections by 10% from 30 cases monthly, they now have only 27 cases per month.

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