Algebra-1 Problems
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3.9 Percentages |
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Problem # |
Problem Statement |
Problems Similar To |
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1. |
Write 44% as a decimal |
\begin{equation}44\end{equation} |
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2. |
Write 5/7% as a decimal |
\begin{equation}\frac{5}{7}\end{equation} |
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3. |
Write 193% as a decimal |
\begin{equation}193\end{equation} |
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4. |
Express 5 as percentage |
\begin{equation}5\end{equation} |
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5. |
Express 4/9 as percentage |
\begin{equation}\frac{4}{9}\end{equation} |
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6. |
What is 2% of 7? |
\begin{equation}\frac{2}{100} \times 7=x\end{equation} |
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7. |
What percent of 58 is 522/25? |
\begin{equation}\frac{x}{100} \times 58=\frac{522}{25}\end{equation} |
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8. |
57% of what is 57/20? |
\begin{equation}\frac{57}{100} \times x=\frac{57}{20}\end{equation} |
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9. |
Population of a certain city decreased to 91% that of last year's. The population now is 319319. What was it last year? |
\begin{equation}\frac{91}{100} \times x=319319\end{equation} |
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10. |
The stock market index is now at 1638, which is 21% of last year's value. Where was it at last year? |
\begin{equation}x \times \frac{21}{100}=1638\end{equation} |
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11. |
So far this week you have worked 259/25 hours at your part time job. This is 74% of the number of hours you work each week. How many hours do you work each week? |
\begin{equation}x \times \frac{74}{100}=\frac{259}{25}\end{equation} |
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12. |
Sales tax rate in State X is 22%. Estimate the sales tax on a model of a Pirate Ship that costs $\$4200$. |
\begin{equation}4200 \times \frac{22}{100}\end{equation} |
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13. |
In a purchase, customers pay 10% sales tax over an above the price of the article. You buy a skateboard with a printed price $\$75$, what is the total cost, with taxes, you'll need to pay? |
\begin{equation}75+75 \times \frac{10}{100}\end{equation} |
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14. |
According to a nation's census, State X had about 5035000 residents. Of those, 11% are under age 18. How many of State X's residents are under the age of 18? |
\begin{equation}5035000 \times \frac{11}{100}\end{equation} |
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15. |
A storage device has 3400 megabytes of storage space. What percent of the space is used by a file that takes up 1598 megabytes? |
\begin{equation}\frac{x}{100} \times 3400=1598\end{equation} |
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16. |
A pharmacy discount card gives the user 13% off prescriptions. Mr. Kumar's cholesterol medication normally costs $\$10$. What is the final price with the discount card? |
\begin{equation}4-10 \times \frac{13}{100}\end{equation} |
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17. |
A major city's public transport system sells $\$50$ tickets at a discounted price of $\$41$. What percentage is the discount? |
\begin{equation}\frac{50-41}{50} \times 100\end{equation} |
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18. |
A textbook salesperson is paid a base salary of $\$40900$ plus a 4% commission on sales. Her total sales last year were $\$10700$. Find her total pay last year? |
\begin{equation}40900+10700 \times \frac{4}{100}\end{equation} |