Question

practice and problem solving
use a 10-by-10 grid to model the percent.

1. 10%
2. 55%
3. 35%

write the percent as a fraction or mixed number in simplest form.

1. 45%
2. 90%
3. 15%
4. 7%
5. 34%
6. 79%
7. 77.5%
8. 18%
9. 8%
10. 224%
11. 0.25%
12. 0.4%
13. error analysis describe and correct the error in writing 225% as a fraction.

225% = \\(\frac{225}{1000}\\) = \\(\frac{9}{40}\\)
write the fraction or mixed number as a percent.

1. \\(\frac{1}{10}\\)
2. \\(\frac{1}{5}\\)
3. \\(\frac{11}{20}\\)
4. \\(\frac{2}{25}\\)
5. \\(\frac{27}{50}\\)
6. \\(\frac{18}{25}\\)
7. \\(1\frac{17}{20}\\)
8. \\(2\frac{41}{50}\\)
9. error analysis describe and correct the error in writing \\(\frac{14}{25}\\) as a percent.

\\(\frac{14}{25}\\) = \\(\frac{14 \times 4}{25 \times 4}\\) = \\(\frac{56}{100}\\) =

1. left-handed of the students in your class, 12% are left - handed. what fraction of the students are left - handed? are there more right - handed or left - handed students? explain.
2. arcade you have 125% of the tickets required for a souvenir. what fraction of the required tickets do you have? do you need more tickets for the souvenir?

chapter 5 ratios and rates

Explanation:

Let's solve problem 8: Write 45% as a fraction in simplest form.

Step 1: Recall the definition of percent

A percent is a ratio that compares a number to 100. So, \( 45\% \) can be written as the fraction \( \frac{45}{100} \).

Step 2: Simplify the fraction

To simplify \( \frac{45}{100} \), we find the greatest common divisor (GCD) of 45 and 100. The factors of 45 are 1, 3, 5, 9, 15, 45. The factors of 100 are 1, 2, 4, 5, 10, 20, 25, 50, 100. The GCD of 45 and 100 is 5.
We divide both the numerator and the denominator by 5: \( \frac{45 \div 5}{100 \div 5} = \frac{9}{20} \).

Answer:

\( \frac{9}{20} \)