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 12% as a decimal |
\begin{equation}12\end{equation} |
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2. |
Write 6/4% as a decimal |
\begin{equation}\frac{6}{4}\end{equation} |
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3. |
Write 194% as a decimal |
\begin{equation}194\end{equation} |
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4. |
Express 5 as percentage |
\begin{equation}5\end{equation} |
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5. |
Express 2/3 as percentage |
\begin{equation}\frac{2}{3}\end{equation} |
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6. |
What is 24% of 4? |
\begin{equation}\frac{24}{100} \times 4=x\end{equation} |
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7. |
What percent of 57 is 114/25? |
\begin{equation}\frac{x}{100} \times 57=\frac{114}{25}\end{equation} |
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8. |
13% of what is 13/25? |
\begin{equation}\frac{13}{100} \times x=\frac{13}{25}\end{equation} |
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9. |
Population of a certain city decreased to 44% that of last year's. The population now is 292204. What was it last year? |
\begin{equation}\frac{44}{100} \times x=292204\end{equation} |
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10. |
The stock market index is now at 1160, which is 58% of last year's value. Where was it at last year? |
\begin{equation}x \times \frac{58}{100}=1160\end{equation} |
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11. |
So far this week you have worked 891/100 hours at your part time job. This is 81% of the number of hours you work each week. How many hours do you work each week? |
\begin{equation}x \times \frac{81}{100}=\frac{891}{100}\end{equation} |
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12. |
Sales tax rate in State X is 51%. Estimate the sales tax on a model of a Pirate Ship that costs $\$300$. |
\begin{equation}300 \times \frac{51}{100}\end{equation} |
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13. |
In a purchase, customers pay 2% sales tax over an above the price of the article. You buy a skateboard with a printed price $\$99$, what is the total cost, with taxes, you'll need to pay? |
\begin{equation}99+99 \times \frac{2}{100}\end{equation} |
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14. |
According to a nation's census, State X had about 2257100 residents. Of those, 18% are under age 18. How many of State X's residents are under the age of 18? |
\begin{equation}2257100 \times \frac{18}{100}\end{equation} |
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15. |
A storage device has 4000 megabytes of storage space. What percent of the space is used by a file that takes up 1880 megabytes? |
\begin{equation}\frac{x}{100} \times 4000=1880\end{equation} |
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16. |
A pharmacy discount card gives the user 70% off prescriptions. Mr. Kumar's cholesterol medication normally costs $\$10$. What is the final price with the discount card? |
\begin{equation}91-10 \times \frac{70}{100}\end{equation} |
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17. |
A major city's public transport system sells $\$46$ tickets at a discounted price of $\$41$. What percentage is the discount? |
\begin{equation}\frac{46-41}{46} \times 100\end{equation} |
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18. |
A textbook salesperson is paid a base salary of $\$12900$ plus a 2% commission on sales. Her total sales last year were $\$31000$. Find her total pay last year? |
\begin{equation}12900+31000 \times \frac{2}{100}\end{equation} |