91Ó°ÊÓ

Write the percent as a fraction in simplest form, or write the fraction as a percent.

$\frac{12}{25}$

In example 2, suppose that there are 10 finalists. What is the probability that you will win? Write your answer as a percent.

Write the fraction as a decimal or the decimal as a fraction.

$0.175$

Use a proportion to answer the question. What percent of 30 is 27?

Use a proportion to answer the question. What number is 18% of 50?

Evaluate the expression when $k=20$.

$40\%\text{of}k$

Evaluate the expression when $k=20$.

$\left(80-k\right)\%\text{of}30$

Evaluate the expression when $k=20$.

$25\%\text{of}\left(k+8\right)$

Evaluate the expression when $k=20$.

$\left(k+10\right)\%\text{of}200$

Evaluate the expression when $k=20$.

$\left(k-10\right)\%\text{of}350$