Chapter 7: Problem 11
Solve each of the following problems. What percent of 50 is \(5 ?\)
Short Answer
Expert verified
5 is 10% of 50.
Step by step solution
01
Understand the Question
We need to find what percent of 50 is equal to 5. This means we are looking for a percentage that represents 5 as a portion of 50.
02
Set Up the Equation
To find the percentage, we'll use the formula: \[ \text{Percentage} = \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100 \]Here, the 'Part' is 5 and the 'Whole' is 50.
03
Substitute Values
Substitute the given values into the equation: \[ \text{Percentage} = \left( \frac{5}{50} \right) \times 100 \]
04
Simplify the Fraction
Simplify the fraction \( \frac{5}{50} \). This can be reduced to \( \frac{1}{10} \) because both 5 and 50 are divisible by 5.
05
Calculate the Percentage
Multiply the simplified fraction by 100 to find the percentage: \[ \frac{1}{10} \times 100 = 10 \]So, 5 is 10% of 50.
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Key Concepts
These are the key concepts you need to understand to accurately answer the question.
Understanding Basic Math and Percentages
In basic math, a percentage is a way to express a number as a part of a whole. It is essentially a fraction with a denominator of 100. When we say "percent," we're referring to "per hundred." This concept allows us to compare parts of different wholes.
When you are determining a percentage of a number, you are simply figuring out how much of that number represents the entire whole when considered in terms of 100 parts.
When you are determining a percentage of a number, you are simply figuring out how much of that number represents the entire whole when considered in terms of 100 parts.
- It's important to start by setting up the equation properly: \( \text{Percentage} = \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100 \).
- This helps us find out what portion of the whole a given number is.
Fraction Simplification Fundamentals
Fraction simplification is an important skill in basic math. It involves reducing a fraction to its lowest terms. This means rewriting it in such a way that the numerator and the denominator are as small as possible while still maintaining the same value.
When simplifying a fraction, like \( \frac{5}{50} \), you first look for a common factor of the numerator and the denominator.
When simplifying a fraction, like \( \frac{5}{50} \), you first look for a common factor of the numerator and the denominator.
- In this case, both 5 and 50 are divisible by 5. Dividing both by 5, we get \( \frac{1}{10} \).
- Finding the greatest common divisor (GCD) is a useful method for simplifying.
- This process makes further calculations like converting to percentages easier.
Effective Math Problem Solving Techniques
Solving math problems, particularly those involving percentages, requires a clear understanding of the process. Here’s a step-by-step technique to approach such problems:
- **Understand the question:** Break down what is being asked. Determine which number represents the "Part" and what represents the "Whole." This step sets the foundation.
- **Set up your equation:** Use the percentage formula \( \left( \frac{\text{Part}}{\text{Whole}} \right) \times 100 \). Knowing how to input values correctly into this equation is crucial.
- **Simplify where possible:** As fractions are commonplace in percentage problems, simplification can make the final calculations much simpler and reduce potential mistakes.
- **Perform and confirm calculations:** Execute your equation carefully, ensuring each step is followed, and verify your results.