Algebra-1 Problems

3.9 Percentages


Problem #

Problem Statement

Problems Similar To

1.

Write 35% as a decimal

\begin{equation}35\end{equation}

2.

Write 9/9% as a decimal

\begin{equation}\frac{9}{9}\end{equation}

3.

Write 168% as a decimal

\begin{equation}168\end{equation}

4.

Express 2 as percentage

\begin{equation}2\end{equation}

5.

Express 3/9 as percentage

\begin{equation}\frac{3}{9}\end{equation}

6.

What is 58% of 6?

\begin{equation}\frac{58}{100} \times 6=x\end{equation}

7.

What percent of 5 is 47/20?

\begin{equation}\frac{x}{100} \times 5=\frac{47}{20}\end{equation}

8.

92% of what is 46/25?

\begin{equation}\frac{92}{100} \times x=\frac{46}{25}\end{equation}

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}

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}

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}

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}

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}

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}

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}

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}

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}

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}