3575.25
If you increase 3150 by 13.5%, the result is 3580.25. Here's how to calculate it:
First, convert the percentage to a decimal by moving the decimal point two places to the left. So, 13.5% becomes 0.135.
Next, multiply the original number (3150) by the decimal. You can do this with a calculator, or by moving the decimal point two places to the right in the original number and then multiplying.
3150 x 0.135 = 425.25
Finally, add the original number and the product together to get the final answer.
3150 + 425.25 = 3575.25
And there you have it - 3150 increased by 13.5% is 3575.25!