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Question : An inspector found 27 defective batteries during an inspection. : 2151530

**MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.**

**Solve.**

1) An inspector found 27 defective batteries during an inspection. If this is 0.006% of the total number of batteries inspected, how many batteries were inspected?

A) 4500 batteries

B) 2700 batteries

C) 450,000 batteries

D) 45,000 batteries

2) One day 16 teachers were sick with the flu. If this were 80% of the total number of teachers, how many teachers were there altogether?

A) 20 teachers

B) 12,800 teachers

C) 200 teachers

D) 1280 teachers

3) The Powell family paid 24% of the purchase price of a $225,000 home as a down payment. Determine the amount of the down payment.

A) $5400

B) $54,000

C) $540

D) $9375

4) 25% of the students in a school are male. If there are 600 students altogether, how many students are male?

A) 450 students

B) 4 students

C) 150 students

D) 2400 students

5) Last year, Lee bought a share of stock for $18.45. She was paid a dividend of $3.69 Determine what percent of the stock price is the dividend.

A) 20%

B) 2%

C) 5%

D) 80%

6) In a recent survey of 40 people, 20 said that their favorite color of car was white. What percent of the people surveyed liked white cars?

A) 2%

B) 51%

C) 3%

D) 50%

7) The enrollment at a local college increased by 6% over last year's enrollment of 1900. Find the current enrollment.

A) 3040 students

B) 2014 students

C) 1906 students

D) 114 students

8) The enrollment at a local college decreased by 2% over last year's enrollment of 2400. Find the decrease in enrollment.

A) 480 students

B) 2448 students

C) 2352 students

D) 48 students

9) The enrollment at a local college decreased by 2% over last year's enrollment of 800. Find the current enrollment.

A) 16 students

B) 798 students

C) 816 students

D) 784 students

10) A union contract calls for a 5.3% salary increase for all employees. Determine the increase that a worker currently making $54,980 under this contract can expect.

A) $57,893.94

B) $29,139.40

C) $52,066.06

D) $2913.94

11) The profit of Mythological Company last year was $146,000. This year's profit decreased by 7.9%. Find this year's profit.

A) $11,534

B) $115,340

C) $30,660

D) $134,466

**Solve. Round the answer to the nearest cent, if necessary.**

12) A union contract calls for a 6.1% salary increase for all employees. Determine the increase for a worker who is currently making $45,680.

A) $27,864.80

B) $48,466.48

C) $42,893.52

D) $2786.48

13) A union contract calls for a 3.0% salary increase for all employees. Determine the new salary for a worker who is currently making $30,160.

A) $31,064.80

B) $30

C) $904.80

D) $30,190

14) Last year the profit for a company was $266,000. This year's profit decreased by 7.3%. Find this year's profit.

A) $194,180

B) $19,418

C) $246,582

D) $71,820

**Solve.**

15) The enrollment at a local college increased 3% over last year's enrollment of 400. Find the increase in enrollment.

A) 120 students

B) 412 students

C) 12 students

D) 388 students

16) The enrollment at a local college increased 14% over last year's enrollment of 3500. Find the current enrollment.

A) 3990 students

B) 490 students

C) 8400 students

D) 3514 students

17) The mosquito population within a defined area is estimated at 45 million. Due to weather conditions, it is projected that this population will increase by 20%. Find the increase and the projected population.

A) increase: 9 million mosquitos

projected population: 54 million mosquitos

B) increase: 9 million mosquitos

projected population: 36 million mosquitos

C) increase: 900 million mosquitos

projected population: 945 million mosquitos

D) increase: 900 million mosquitos

projected population: 855 million mosquitos

**Solve. Round to the nearest tenth, if necessary.**

18) Find the amount of increase and the percent increase if the original amount is 25 and the new amount is 50.

A) 25; 200%

B) 25; 95%

C) 25; 100%

D) 25; 110%

19) A company increased the number of its employees from 340 to 345. What was the percent increase in employees?

A) 50.4%

B) 1.4%

C) 1.5%

D) 98.6%

20) Before taking a typing course, Marv could type 11 words per minute. By the end of the course, he was able to type 28 words per minute. Find the percent increase.

A) 60.7%

B) 39.3%

C) 71.8%

D) 154.5%

21) The number of video stores in a region recently decreased from 100 to 85. Find the percent decrease.

A) 17.6%

B) 85%

C) 15%

D) 566.7%

22) In the past ten years, the population of a city decreased from 165,000 to 150,000 Find the percent decrease.

A) 10%

B) 90.9%

C) 1000%

D) 9.1%