Question 1

A store reduces the price of a jacket by 20% and then increases the new price by 20%. If the original price was $100$, what is the final price of the jacket?

Accepted Answer

$96$

Question 2

Express $2.50$ as a simplified fraction.

Accepted Answer

$\frac{5}{2}$

Question 3

A population increased from $759$ to $1455$. What is the percentage increase? (Round your answer to the nearest whole number.)

Accepted Answer

$91.7\%$

Question 4

Express $0.25$ as a percentage.

Accepted Answer

$25\%$

Question 5

A survey found that $4.6\%$ of $1392$ office workers did not make a personal call during work hours. How many workers is this? (Round to the nearest whole number.)

Accepted Answer

$64$

Question 6

Express $30\%$ as a simplified fraction.

Accepted Answer

$\frac{3}{10}$

Question 7

A value decreases from $2214$ to $1455$. What is the percentage decrease? (Round your answer to the nearest whole number.)

Accepted Answer

$34\%$

Question 8

If a number increases from $1.11$ to $1.79$, what is the percentage increase? (Round your answer to the nearest whole number.)

Accepted Answer

$61\%$

Question 9

Express $4/5$ as a percentage.

Accepted Answer

$80\%$

Question 10

A store increases the price of a product by $30\%$. If the original price was $100$, what is the new price?

Accepted Answer

$130$

Question 11

Express $0.3$ as a percentage.

Accepted Answer

$30\%$

Question 12

A value decreases by $15\%$. If the original value was $100$, what is the new value?

Accepted Answer

$85$

Question 13

If a value changes from $59$ to $39$, what is the percentage change? (Round your answer to the nearest whole number.)

Accepted Answer

$-33.9\%$

Question 14

Express $2.50$ as a percentage.

Accepted Answer

$250\%$

Question 15

A survey of $1006$ people found that $88\%$ had made a personal call at work. How many people is this? (Round to the nearest whole number.)

Accepted Answer

$885$

Question 16

Express $0.25$ as a simplified fraction.

Accepted Answer

$\frac{1}{4}$

Question 17

A value increases from $67$ to $59$. What is the percentage change? (Round your answer to the nearest whole number.)

Accepted Answer

$-88\%$

Question 18

Express $30\%$ as a decimal.

Accepted Answer

$0.3$

Question 19

If a value changes from $39$ to $59$, what is the percentage change? (Round your answer to the nearest whole number.)

Accepted Answer

$51.3\%$

Question 20

Express $4/5$ as a decimal.

Accepted Answer

$0.8$

Percentages, Fractions, and Decimals in Statistics: Concepts and Applications

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