To determine the percentage that 130 is of 650, follow these steps:
1. Identify the total amount and the part:
- The total amount here is 650.
- The part of the total we are analyzing is 130.
2. Set up the percentage calculation:
- The formula to find what percentage a number (part) is of a total is:
[tex]\[
\text{Percentage} = \left( \frac{\text{Part}}{\text{Total}} \right) \times 100
\][/tex]
3. Substitute the given values into the formula:
- Part = 130
- Total = 650
[tex]\[
\text{Percentage} = \left( \frac{130}{650} \right) \times 100
\][/tex]
4. Calculate the fraction:
- First, divide the part by the total:
[tex]\[
\frac{130}{650} = 0.2
\][/tex]
5. Convert the fraction to a percentage:
- Multiply the fraction by 100 to convert it to a percentage:
[tex]\[
0.2 \times 100 = 20
\][/tex]
So, 130 is 20% of 650. The correct answer is:
a) [tex]$20 \%$[/tex]