Solve each problem. Round your
answer to the two decimal places
91 is of what number?

To find out what number 91 is of, you can set up the equation: . This means you’re looking for a value of that, when multiplied by , gives you 91. To solve for , divide both sides by :

So, 91 is of 910.

By the way, did you know that percentages date back to ancient Rome? They were originally used in finance to figure out taxes and profits, which makes percentages a timeless tool for understanding value!

In real-world scenarios, percentages are everywhere—like figuring out discounts while shopping! Next time you see a sign for “30% off,” you can quickly calculate how much you’re saving, making it easier to snag the best deals!