75% of 40 is 30. To calculate this: 1) Convert 75% to decimal (75/100 = 0.75), 2) Multiply by 40 to get 30.

What is 75% of 40?

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Result

75% of 40 = 30

75\% \times 40 = 40 \times \frac{75}{100} = 30

75% means 75 parts out of 100. To convert a percentage to a decimal, we divide by 100: 75% = 0.75

We multiply our number (40) by the decimal form of the percentage (0.75):
40 × 0.75 = 30

This means that 75% or 0.75 of 40 is 30. In other words, if you take 75% of 40, you get 30.

When a $40 product has a 75% discount, you save $30 and pay $10.

If you want to leave a 75% tip on a $40 meal, you would leave $30 as the tip.

When 75% sales tax is added to a $40 purchase, $30 is added for tax, making the total $70.

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If 75% of your monthly revenue goes to operating expenses and you earn $40, you spend $30 on operations.

If a hospital reduces infections by 75% from 40 cases monthly, they now have only 10 cases per month.

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