1. Compare A and B in three ways, where A=1.6 million is the 2012 population of city X and B=2.9 million is the 2012 population of city Y.

a.

Find the ratio of A to B.

b. Find the ratio of B to A.

c. Complete the sentence: A is ____ percent of B.

2. A certain candidate won 353 electoral votes in an election, out of a total of 527.

The number of electoral votes won by the candidate is _______% of the total votes.

(Round to the nearest tenth as needed.)

3. The full-time year-round median salary for U.S. men in 2010 was $41,600, and the full-time year-round salary for U.S. women in 2010 was $35,700.

The full-time year-round median salary for U.S. men in 2010 was _______% of the full-time year-round median salary for U.S. women in 2010.

(Round to the nearest tenth as needed.)

4. In 2015, there were 66 million citizens of a particular country under the age of 16, and a total of 336 million citizens.

In 2015, ________% of the citizens of the country were under the age of 16.

(Round to the nearest tenth as needed.)

5. Clint's salary increased from $23,000 to $32,200 over a three-year period. Helen's salary increased from $25,000 to $35,000 over the same period. Whose salary increased more in absolute terms? In relative terms? Explain.

Whose salary increased more in absolute terms? Select the correct choice below and fill in the answer box(es) to complete the choice.

A. Helen's salary increased more, because her salary increased by $_____. This is more than $______ the amount that Clint's salary increased.

B. Clint's salary increased more, because his salary increased by $______. This is more than $________, the amount that Helen's salary increased.

C. Neither person's salary increased more, because both of their salaries increased by $________.

6. The average sale of a house decreased from $307,000 in February 2008 to $187,000 in February 2013.

The absolute change is ______.

7. The gestation period of horses (336 days) is _____ percent longer than the gestation period of dogs (65 days).

The gestation period of horses (336 days) is _______ percent longer than the gestation period of dogs (65 days).

(Round the final answer to one decimal place as needed. Round all intermediate values to three decimal places as needed.)

8.

The wholesale price of a TV is 45% less than retail price. Therefore, the wholesale price is _____ times the retail price.

9. The total (after-tax) cost of a laptop computer is $1616.64. The local sales tax rate is 7.4%. What is the retail (pre-tax) price?

10. Youreceiveapayraiseof7%, followedlaterbyapaycutof7%. After the two changes in pay, yoursalary is unchanged.

Select the correct choice below and, if necessary, fill in the answer box to complete the choice.

A. The statement is true because the percentages of the increase and decrease in the pay are the same, so there is no net change in the salary.

B. The statement is false because the reference values for the increase and decrease in the pay are not the same. The true

change in the salary is _____%.

(Simplify your answer. Type integer or decimal rounded to the nearest hundredth as needed.)

11. A high school reports that its students' SAT scores were down by 7% in one year. The next year, however, the test scores rose by 16%. The high school principal announces, "Overall, test scores have improved by 9% over the past two years."

Select the correct choice below and, if necessary, fill in the answer box to complete the choice.

A. The statement is true because 167=9 and the percentage improvement is given by the difference in the percentages of the increase and decrease.

B. The statement is false because the reference values for the decrease and increase are not the same. The true improvement

over the past two years is _______%.

(Simplify your answer. Type integer or decimal rounded to the nearest hundredth as needed.)

12. At a particular college, 60% of the undergraduates are female. If 1260 women attend the college, how many total undergraduates attend the college?

The total number of undergraduates is ________.

(Round to the nearest whole number as needed.)