One of the most fundamental concepts in mathematics is that of percentage and proportion. Understanding how to calculate percentages and proportions is an essential skill for students of all ages. To find the answer to a question such as “140 of what number is 35”, it is important to remember the formula for calculating percentages.
The formula for calculating percentages is as follows: (part/whole) x 100 = percentage. In this case, the part is known (35) and the percentage is also known (140). This means that the whole must be calculated in order to answer the question.
To calculate the whole, the formula is rearranged as follows: (percentage/part) x 100 = whole. In this case, the percentage is 140 and the part is 35. This means that the whole is equal to (140/35) x 100 = 400.
This means that the answer to the question “140 of what number is 35” is 400. To verify this answer, the original formula can be used. (35/400) x 100 = 140, which shows that the answer is correct.
Calculating Percentages and Proportions
Calculating percentages and proportions can be tricky, but understanding the formula is key to finding the right answers. Many students struggle with this concept, but with practice and dedication, it is possible to master this skill. Working through simple problems such as “140 of what number is 35” can help to build confidence and understanding.
Practicing with percentages is also a great way to build mental math skills. By repeating the process of rearranging the equation and plugging in numbers, students can become more comfortable with this type of problem-solving.
Understanding Percentages and Proportions in the Real World
Understanding percentages and proportions can also help students to make sense of everyday situations. For example, understanding how to calculate percentages can help a student to figure out a tip at a restaurant or to calculate discounts when shopping. Proportions can also be used to solve real-world problems, such as converting measurements or calculating loan payments.
Conclusion
The answer to “140 of what number is 35” is 400. This type of problem requires an understanding of percentage and proportion calculations. With practice, students can become more comfortable with this type of problem-solving. Percentages and proportions can also be used in everyday life to solve real-world problems.
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