15% of 90 is 13.5. To calculate this: 1) Convert 15% to decimal (15/100 = 0.15), 2) Multiply by 90 to get 13.5.

What is 15% of 90?

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Result

13.5

15% of 90 = 13.5

15\% \times 90 = 90 \times \frac{15}{100} = 13.5

15% means 15 parts out of 100. To convert a percentage to a decimal, we divide by 100: 15% = 0.15

We multiply our number (90) by the decimal form of the percentage (0.15):
90 × 0.15 = 13.5

This means that 15% or 0.15 of 90 is 13.5. In other words, if you take 15% of 90, you get 13.5.

When a $90 product has a 15% discount, you save $13.5 and pay $76.5.

If you want to leave a 15% tip on a $90 meal, you would leave $13.5 as the tip.

When 15% sales tax is added to a $90 purchase, $13.5 is added for tax, making the total $103.5.

If 15% of students in a class are boys and there are 90 students total, that means there are 14 boys.

If you invest $90 and earn 15% annual interest, you'll receive $13.5 in interest for the year.

If a student answers 15% of questions correctly on a 90-question test, they answered 14 questions correctly.

If 15% of your monthly revenue goes to operating expenses and you earn $90, you spend $13.5 on operations.

If a hospital reduces infections by 15% from 90 cases monthly, they now have only 77 cases per month.

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