Calculating Percents

<p><a target="_blank" href="https://www.prepswift.com/quizzes/quiz/prepswift-calculating-percents">Calculating Percents Exercise</a></p><p><strong><span style="color:#27ae60;">Calculating Percents</span></strong> can be pretty straightforward. They come in a variety of types. Don&#39;t forget that you sometimes have to multiply by $100$ to get it into its final percent form.</p> <ul> <li><span style="color:#e74c3c;">Type 1</span>: $30$ is what percentage of $40$?</li> </ul> <p>$$\frac{30}{40} \times 100 = 75\%$$</p> <ul> <li><span style="color:#e74c3c;">Type 2</span>: What is $32\%$ of $150$?</li> </ul> <p>$$\frac{32}{100} \times 150 = 0.32 \times 150 = 48$$&nbsp;</p> <ul> <li><span style="color:#e74c3c;">Type 3</span>: $24$ is $40\%$ of $a$. What is $a$?</li> </ul> <p>$$24=\frac{40}{100} \times a$$</p> <p>$$\frac{24}{0.40}=a$$</p> <p>$$60=a$$</p> <p><span style="font-size:20px;"><span style="color:#8e44ad;">Cool Trick</span></span></p> <p style="text-align: center;">$17\%$ of $300=300\%$ of $17$</p>