Algebra-1 Problems

3.9 Percentages


Problem #

Problem Statement

Problems Similar To

1.

Write 44% as a decimal

\begin{equation}44\end{equation}

2.

Write 5/7% as a decimal

\begin{equation}\frac{5}{7}\end{equation}

3.

Write 193% as a decimal

\begin{equation}193\end{equation}

4.

Express 5 as percentage

\begin{equation}5\end{equation}

5.

Express 4/9 as percentage

\begin{equation}\frac{4}{9}\end{equation}

6.

What is 2% of 7?

\begin{equation}\frac{2}{100} \times 7=x\end{equation}

7.

What percent of 58 is 522/25?

\begin{equation}\frac{x}{100} \times 58=\frac{522}{25}\end{equation}

8.

57% of what is 57/20?

\begin{equation}\frac{57}{100} \times x=\frac{57}{20}\end{equation}

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}

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}

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}

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}

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}

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}

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}

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}

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}

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}