Percent of a unknown number - percentage math lesson | Summary and Q&A

TL;DR

Learn how to solve percentage problems by converting percentages to fractions and decimals, and then solving for the unknown variable.

Key Insights

• ❓ Percentage problems can be solved by converting percentages to fractions or decimals.
• ✖️ The first method involves multiplying the converted fraction or decimal with the unknown number and solving for the variable.
• ⚖️ The second method involves finding 1% of the unknown number and scaling it up to find the desired percentage.
• #️⃣ Both methods can be used to solve percentage problems with various numbers.
• ❓ Understanding the concept of percentages as a fraction or decimal is important for solving these problems.
• 🙃 Dividing both sides of the equation by the coefficient of the variable helps isolate the unknown number.
• 😒 The second method may be easier to use with simpler numbers but can be applied to more complex problems as well.

Transcript

good day welcome to the tech maath Channel what we're going to be having a look at in this video is we're going to be having a look at how to solve percentage problems ones of the type like this so say you asked the question 30% of what number is equal to 60 a nice easy one to start off with and how you would go about solving this so there's a coup... Read More

Questions & Answers

Q: How do you solve percentage problems using the first method?

To solve percentage problems using the first method, convert the percentage to a fraction or decimal, multiply it by the unknown number, and solve for the variable by dividing both sides by the coefficient of the variable.

Q: What is the second method of solving percentage problems?

The second method involves finding 1% of the unknown number, scaling it up to find the desired percentage, and calculating the 100% of the unknown number. This method is useful for solving percentage problems with simple numbers.

Q: Can both methods be used to solve percentage problems with more complex numbers?

Yes, both methods can be used to solve percentage problems with any numbers. However, the second method may be slightly more challenging when dealing with more complex numbers.

Q: Are there any other ways to solve percentage problems?

The methods mentioned in the video are commonly used for solving percentage problems. However, different individuals may have their own preferred methods or variations of these techniques.

Summary & Key Takeaways

• To solve a percentage problem, convert the percentage to a fraction or decimal and multiply it by the unknown number to solve for the variable.

• Another method involves finding 1% of the unknown number and then scaling it up to find the desired percentage.

• Both methods can be applied to solve percentage problems with various numbers.