50% of 40 is 20. To calculate this: 1) Convert 50% to decimal (50/100 = 0.5), 2) Multiply by 40 to get 20.

What is 50% of 40?

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Result

50% of 40 = 20

50\% \times 40 = 40 \times \frac{50}{100} = 20

50% means 50 parts out of 100. To convert a percentage to a decimal, we divide by 100: 50% = 0.5

We multiply our number (40) by the decimal form of the percentage (0.5):
40 × 0.5 = 20

This means that 50% or 0.5 of 40 is 20. In other words, if you take 50% of 40, you get 20.

When a $40 product has a 50% discount, you save $20 and pay $20.

If you want to leave a 50% tip on a $40 meal, you would leave $20 as the tip.

When 50% sales tax is added to a $40 purchase, $20 is added for tax, making the total $60.

If 50% of students in a class are boys and there are 40 students total, that means there are 20 boys.

If you invest $40 and earn 50% annual interest, you'll receive $20 in interest for the year.

If a student answers 50% of questions correctly on a 40-question test, they answered 20 questions correctly.

If 50% of your monthly revenue goes to operating expenses and you earn $40, you spend $20 on operations.

If a hospital reduces infections by 50% from 40 cases monthly, they now have only 20 cases per month.

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