Question 1

Which of the following best describes what a percent represents?

Accepted Answer

A number expressed as a part of 100.

Question 2

Express the fraction $$\frac{5}{8} as a $$percent.

Accepted Answer

$$62.5\%$$

Question 3

Convert the decimal $$0.32 to a $$percent.

Accepted Answer

$$32\%$$

Question 4

Convert $$145\% to a $$decimal.

Accepted Answer

$$1.45$$

Question 5

A television is priced at $$\850$ and the local sales tax rate is 6.5$$\%$. What is the total cost of the television including tax?

Accepted Answer

$$\905.25$

Question 6

A jacket originally costs $$\120$ and is on sale for 25$$\%$ off. What is the sale price?

Accepted Answer

$$\90$

Question 7

If a population increases from $$2,000 to$$ $$2,600$$, what is the percent increase?

Accepted Answer

$$30\%$$

Question 8

A store marks up a product from $$\50$ to $$\$$65. $$What is the percent increase in price?

Accepted Answer

$$30\%$$

Question 9

A car’s value drops from $$\20$$,000$$ to $$\$$15,000$$ over three years. What is the percent decrease?

Accepted Answer

$$25\%$$

Question 10

A news report claims that a TV show’s audience increased from $$5\% to$$ $$20\%$$, calling it a $$400\%$$ increase. What is the actual percent increase?

Accepted Answer

$$300\%$$

Question 11

Which of the following is an example of a percent abuse?

Accepted Answer

Reporting a percent increase as a percent of a percent without clarification.

Question 12

A laptop is originally $$\1$$,200$$ and is discounted by 10$$\%$$. If the sales tax is 8$$\%$, what is the total price paid?

Accepted Answer

$$\1$$,166.40$

Question 13

If a store offers a $$20\%$$ discount on all items and then applies a $$5\%$$ sales tax to the discounted price, what is the final price of an item originally priced at $$\200$?

Accepted Answer

$$\168$

Question 14

Which of the following steps is NOT part of converting a percent to a decimal?

Accepted Answer

Multiply the percent by 100.

Question 15

A city’s population decreased from $$80,000 to$$ $$60,000. $$What is the percent decrease?

Accepted Answer

$$25\%$$

Question 16

A store advertises a $$50\%$$ increase in sales, but sales only went from $$200$$ units to $$250$$ units. What is the actual percent increase?

Accepted Answer

$$25\%$$

Question 17

If a $$\75$ item is discounted by 12$$\%$, what is the sale price?

Accepted Answer

$$\66.00$

Question 18

Which of the following best explains why multiplying by 100 is used when converting a decimal to a percent?

Accepted Answer

Because percent means per hundred, so multiplying by 100 expresses the value as parts per hundred.

Question 19

A product is marked down by $$30\%$$ and then an additional $$10\%$$ off is applied to the new price. If the original price is $$\200$, what is the final price?

Accepted Answer

$$\126$

Question 20

If a $$\500$ item is subject to a 7$$\%$ sales tax, what is the total amount paid?

Accepted Answer

$$\535$

Percent, Sales Tax, and Discounts: Study Notes for Liberal Arts Math

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