4)) 18 is what percent of \( 72 ? \)

To find out what percent 18 is of 72, you can use the formula: (Part/Whole) x 100. Here, the part is 18 and the whole is 72. So, (18/72) x 100 = 25%. This means that 18 is 25% of 72! Fun Fact: Percentages have been used since the 15th century in Europe to represent parts of a whole. The word "percent" comes from the Latin "per centum," which means "by the hundred." It’s a great way to simplify everyday calculations or financial matters! In real-world scenarios, mastering percentages can make life easier! Whether you're calculating discounts while shopping, managing finances, or analyzing data in a project, understanding how to convert numbers to percentages can be a game-changer. Next time you're hunting for a deal, you'll be the savvy shopper knowing exactly how much you're saving!