To increase a number by a certain percentage, you multiply the number by \(1 + \frac{\text{percentage}}{100}\).

For this problem, you want to increase 17 by 85%.

1. Convert the percentage to a decimal: \( \frac{85}{100} = 0.85 \).
2. Add this decimal to 1: \( 1 + 0.85 = 1.85 \).
3. Multiply the original number by this result: \( 17 \times 1.85 \).

Now, calculate:

\[ 17 \times 1.85 = 31.45 \]

So, increasing 17 by 85% gives the result of 31.45.

Would you like more details or have any questions?

Here are 8 related questions:

1. How would you decrease 17 by 85%?
2. What is 85% of 17?
3. How do you express 85% as a fraction?
4. How would you increase 17 by 50%?
5. What is 150% of 17?
6. How would you increase 20 by 85%?
7. How do you convert a percentage to a decimal?
8. What is the formula for calculating the increase of a number by a given percentage?

**Tip:** To find a percentage increase, always multiply the original number by \(1 + \frac{\text{percentage}}{100}\).

Learn how to increase 17 by 85% with detailed steps and calculation. Understand the formula for percentage increase and practice similar problems. Suitable for students in Grades 6-8.

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