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Introduction
If you’re struggling with math, don’t worry! Calculating percentages can be tricky, especially if you’re not used to working with numbers. In this article, we’ll show you how to calculate “18 is what percent of 72” step-by-step, using easy-to-understand language.
What Are Percentages?
Before we dive into the calculation, let’s make sure we understand what percentages are. Percentages are a way of expressing a number as a fraction of 100. For example, 50% is the same as 50 out of 100, or 0.5 as a decimal.
Step-by-Step Calculation
Now, let’s get to the calculation itself. To find out what percentage 18 is of 72, we need to divide 18 by 72 and then multiply by 100. Here are the steps:
Step 1:
Divide 18 by 72:
18 ÷ 72 = 0.25
Step 2:
Multiply by 100 to get the percentage:
0.25 x 100 = 25%
So, 18 is 25% of 72.
Alternative Method
There’s another way to approach this calculation, which might be easier for some people. Instead of dividing 18 by 72, you can multiply 18 by 100 and then divide by 72. Here are the steps:
Step 1:
Multiply 18 by 100:
18 x 100 = 1800
Step 2:
Divide by 72:
1800 ÷ 72 = 25%
So, once again, we get the answer that 18 is 25% of 72.
Why Is This Calculation Useful?
You might be wondering why you would need to know what percentage 18 is of 72. Well, percentages are used in all sorts of real-world situations, from calculating discounts at a store to figuring out how much tax you owe on your income. Understanding how to calculate percentages is a valuable skill that can come in handy in many different contexts.
Practice Problems
Now that you know how to calculate “18 is what percent of 72,” why not try some practice problems on your own? Here are a few to get you started:
- What is 30% of 90?
- What is 15% of 200?
- What is 75% of 120?
Remember to use the steps we outlined in this article: divide the first number by the second number, and then multiply by 100 to get the percentage.
Conclusion
Calculating percentages might seem intimidating at first, but with a little practice, you’ll soon get the hang of it. Remember to take it step-by-step, and don’t be afraid to ask for help if you need it. And if you ever need to know what percentage 18 is of 72, you’ll be able to figure it out in no time!
