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 90% as a decimal |
\begin{equation}90\end{equation} |
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2. |
Write 4/6% as a decimal |
\begin{equation}\frac{4}{6}\end{equation} |
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3. |
Write 107% as a decimal |
\begin{equation}107\end{equation} |
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4. |
Express 8 as percentage |
\begin{equation}8\end{equation} |
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5. |
Express 7/9 as percentage |
\begin{equation}\frac{7}{9}\end{equation} |
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6. |
What is 37% of 2? |
\begin{equation}\frac{37}{100} \times 2=x\end{equation} |
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7. |
What percent of 44 is 66/5? |
\begin{equation}\frac{x}{100} \times 44=\frac{66}{5}\end{equation} |
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8. |
52% of what is 39/25? |
\begin{equation}\frac{52}{100} \times x=\frac{39}{25}\end{equation} |
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9. |
Population of a certain city decreased to 22% that of last year's. The population now is 195668. What was it last year? |
\begin{equation}\frac{22}{100} \times x=195668\end{equation} |
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10. |
The stock market index is now at 603, which is 67% of last year's value. Where was it at last year? |
\begin{equation}x \times \frac{67}{100}=603\end{equation} |
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11. |
So far this week you have worked 9/50 hours at your part time job. This is 2% of the number of hours you work each week. How many hours do you work each week? |
\begin{equation}x \times \frac{2}{100}=\frac{9}{50}\end{equation} |
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12. |
Sales tax rate in State X is 19%. Estimate the sales tax on a model of a Pirate Ship that costs $\$1600$. |
\begin{equation}1600 \times \frac{19}{100}\end{equation} |
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13. |
In a purchase, customers pay 5% sales tax over an above the price of the article. You buy a skateboard with a printed price $\$73$, what is the total cost, with taxes, you'll need to pay? |
\begin{equation}73+73 \times \frac{5}{100}\end{equation} |
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14. |
According to a nation's census, State X had about 7888500 residents. Of those, 20% are under age 18. How many of State X's residents are under the age of 18? |
\begin{equation}7888500 \times \frac{20}{100}\end{equation} |
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15. |
A storage device has 900 megabytes of storage space. What percent of the space is used by a file that takes up 189 megabytes? |
\begin{equation}\frac{x}{100} \times 900=189\end{equation} |
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16. |
A pharmacy discount card gives the user 58% off prescriptions. Mr. Kumar's cholesterol medication normally costs $\$10$. What is the final price with the discount card? |
\begin{equation}33-10 \times \frac{58}{100}\end{equation} |
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17. |
A major city's public transport system sells $\$54$ tickets at a discounted price of $\$35$. What percentage is the discount? |
\begin{equation}\frac{54-35}{54} \times 100\end{equation} |
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18. |
A textbook salesperson is paid a base salary of $\$88200$ plus a 4% commission on sales. Her total sales last year were $\$38600$. Find her total pay last year? |
\begin{equation}88200+38600 \times \frac{4}{100}\end{equation} |