Algebra-1 Problems

3.9 Percentages
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1.

Write 46% as a decimal

\begin{equation}46\end{equation}

2.

Write 3/3% as a decimal

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

3.

Write 178% as a decimal

\begin{equation}178\end{equation}

4.

Express 7 as percentage

\begin{equation}7\end{equation}

5.

Express 2/6 as percentage

\begin{equation}\frac{2}{6}\end{equation}

6.

What is 17% of 3?

\begin{equation}\frac{17}{100} \times 3=x\end{equation}

7.

What percent of 44 is 77/25?

\begin{equation}\frac{x}{100} \times 44=\frac{77}{25}\end{equation}

8.

40% of what is 14/5?

\begin{equation}\frac{40}{100} \times x=\frac{14}{5}\end{equation}

9.

Population of a certain city decreased to 85% that of last year's. The population now is 750720. What was it last year?

\begin{equation}\frac{85}{100} \times x=750720\end{equation}

10.

The stock market index is now at 4928, which is 77% of last year's value. Where was it at last year?

\begin{equation}x \times \frac{77}{100}=4928\end{equation}

11.

So far this week you have worked 49/25 hours at your part time job. This is 14% of the number of hours you work each week. How many hours do you work each week?

\begin{equation}x \times \frac{14}{100}=\frac{49}{25}\end{equation}

12.

Sales tax rate in State X is 19%. Estimate the sales tax on a model of a Pirate Ship that costs $\$126$.

\begin{equation}126 \times \frac{19}{100}\end{equation}

13.

In a purchase, customers pay 3% sales tax over an above the price of the article. You buy a skateboard with a printed price $\$89$, what is the total cost, with taxes, you'll need to pay?

\begin{equation}89+89 \times \frac{3}{100}\end{equation}

14.

According to a nation's census, State X had about 2696900 residents. Of those, 33% are under age 18. How many of State X's residents are under the age of 18?

\begin{equation}2696900 \times \frac{33}{100}\end{equation}

15.

A storage device has 3800 megabytes of storage space. What percent of the space is used by a file that takes up 1710 megabytes?

\begin{equation}\frac{x}{100} \times 3800=1710\end{equation}

16.

A pharmacy discount card gives the user 73% off prescriptions. Mr. Kumar's cholesterol medication normally costs $\$4$. What is the final price with the discount card?

\begin{equation}97-4 \times \frac{73}{100}\end{equation}

17.

A major city's public transport system sells $\$53$ tickets at a discounted price of $\$43$. What percentage is the discount?

\begin{equation}\frac{53-43}{53} \times 100\end{equation}

18.

A textbook salesperson is paid a base salary of $\$58300$ plus a 2% commission on sales. Her total sales last year were $\$97600$. Find her total pay last year?

\begin{equation}58300+97600 \times \frac{2}{100}\end{equation}