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 35% as a decimal |
\begin{equation}35\end{equation} |
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2. |
Write 9/9% as a decimal |
\begin{equation}\frac{9}{9}\end{equation} |
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3. |
Write 168% as a decimal |
\begin{equation}168\end{equation} |
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4. |
Express 2 as percentage |
\begin{equation}2\end{equation} |
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5. |
Express 3/9 as percentage |
\begin{equation}\frac{3}{9}\end{equation} |
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6. |
What is 58% of 6? |
\begin{equation}\frac{58}{100} \times 6=x\end{equation} |
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7. |
What percent of 5 is 47/20? |
\begin{equation}\frac{x}{100} \times 5=\frac{47}{20}\end{equation} |
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8. |
92% of what is 46/25? |
\begin{equation}\frac{92}{100} \times x=\frac{46}{25}\end{equation} |
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9. |
Population of a certain city decreased to 72% that of last year's. The population now is 200952. What was it last year? |
\begin{equation}\frac{72}{100} \times x=200952\end{equation} |
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10. |
The stock market index is now at 441, which is 7% of last year's value. Where was it at last year? |
\begin{equation}x \times \frac{7}{100}=441\end{equation} |
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11. |
So far this week you have worked 12/5 hours at your part time job. This is 30% of the number of hours you work each week. How many hours do you work each week? |
\begin{equation}x \times \frac{30}{100}=\frac{12}{5}\end{equation} |
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12. |
Sales tax rate in State X is 67%. Estimate the sales tax on a model of a Pirate Ship that costs $\$2700$. |
\begin{equation}2700 \times \frac{67}{100}\end{equation} |
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13. |
In a purchase, customers pay 9% sales tax over an above the price of the article. You buy a skateboard with a printed price $\$61$, what is the total cost, with taxes, you'll need to pay? |
\begin{equation}61+61 \times \frac{9}{100}\end{equation} |
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14. |
According to a nation's census, State X had about 5470600 residents. Of those, 14% are under age 18. How many of State X's residents are under the age of 18? |
\begin{equation}5470600 \times \frac{14}{100}\end{equation} |
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15. |
A storage device has 1600 megabytes of storage space. What percent of the space is used by a file that takes up 544 megabytes? |
\begin{equation}\frac{x}{100} \times 1600=544\end{equation} |
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16. |
A pharmacy discount card gives the user 84% off prescriptions. Mr. Kumar's cholesterol medication normally costs $\$8$. What is the final price with the discount card? |
\begin{equation}79-8 \times \frac{84}{100}\end{equation} |
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17. |
A major city's public transport system sells $\$46$ tickets at a discounted price of $\$44$. What percentage is the discount? |
\begin{equation}\frac{46-44}{46} \times 100\end{equation} |
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18. |
A textbook salesperson is paid a base salary of $\$76700$ plus a 3% commission on sales. Her total sales last year were $\$88200$. Find her total pay last year? |
\begin{equation}76700+88200 \times \frac{3}{100}\end{equation} |