Title: Percent of Change Review
Course: quiz duplicate error

Q: Solve the problem.

After receiving poor service at a restaurant, Anita decides to leave a tip of only 12%. If the cost of the meal without tip is $33, what is the total amount that Anita paid?
- $37.13 (incorrect)
- $39.15 (incorrect)
- $36.96 (correct)
- $37.95 (incorrect)
A: $36.96

Q: Solve.

By switching service providers, a family's telephone bill decreased from about $50 a month to about $47. What was the percent of decrease?
- 3% (incorrect)
- 7% (incorrect)
- 6% (correct)
- 6.4% (incorrect)
A: 6%

Q: Solve.

Last year, Maria earned $339 per week. This year, her salary increased to [Image] per week. What is the percent of increase?
- 6.4% (incorrect)
- 6.8% (correct)
- 93.6% (incorrect)
- 93.2% (incorrect)
A: 6.8%

Q: Solve.

A rectangular garden has vegetables planted in a 33-ft by 18-ft area. The vegetables are surrounded by a 2-ft border of flowers. By what percent is the area for planting vegetables increased if the 2-ft border of flowers is removed?
- 14% (incorrect)
- 12.9% (incorrect)
- 37% (correct)
- 38.1% (incorrect)
A: 37%

Q: Solve.

The population of a city decreased from 1,127,000 in 1995 to 936,000 in 2005. What is the percent of decrease? Round your answer to the nearest tenth of a percent.
- 16.9% (correct)
- 1.7% (incorrect)
- 17.5% (incorrect)
- 20.4% (incorrect)
A: 16.9%

Q: Solve.

Sales of frozen pizza for a club fund-raiser increased from 500 one year to 565 the next year. What was the percent of increase?
- 88.5% (incorrect)
- 87% (incorrect)
- 13% (correct)
- 11.5% (incorrect)
A: 13%

Q: Solve.

Enrollment in a business seminar increased from 51 people to 69 people. What was the percent of increase?
- 26.1% (incorrect)
- 64.7% (incorrect)
- 35.3% (correct)
- 73.9% (incorrect)
A: 35.3%

Q: Solve.

The price of a jacket was reduced from $146 to $116.80. What was the percent of decrease in the price?
- 22% (incorrect)
- 20% (correct)
- 2% (incorrect)
- 21% (incorrect)
A: 20%

Q: Solve.

The price of a printer was reduced from $400 to $280. What was the percent of decrease?
- 70% (incorrect)
- 42.9% (incorrect)
- 35% (incorrect)
- 30% (correct)
A: 30%

Q: Solve the problem.

A camera costs $730. If the sales tax rate is 6%, what is the total price including tax? Round your answer to the nearest cent.
- $766.50 (incorrect)
- $1168.00 (incorrect)
- $781.10 (incorrect)
- $773.80 (correct)
A: $773.80

Q: Solve.

A carpeted living room and dining room area measures 33 ft by 10 ft. Mark decides to install wood flooring in the 12-ft by 10-ft dining room. By what percent has he reduced the area that is carpeted?
- 63.6% (incorrect)
- 10% (incorrect)
- 57.1% (incorrect)
- 36.4% (correct)
A: 36.4%

Q: Solve.

Ms. Robert was not able to sell her house for $120,000, so she lowered the price to [Image]. What was the percent of decrease?
- 2300% (incorrect)
- 95.8% (incorrect)
- 4.3% (incorrect)
- 4.2% (correct)
A: 4.2%

Q: Solve the problem.

Jeff earns $136 per day. If his salary is raised by 4%, how much will he make per day?
- $141.44 (correct)
- $140.08 (incorrect)
- $142.80 (incorrect)
- $190.40 (incorrect)
A: $141.44

Q: Solve.

The price of a shirt was reduced from $19.00 to $11.40 . What was the percent of decrease in the price?
- 41% (incorrect)
- 40% (correct)
- 42% (incorrect)
- 4% (incorrect)
A: 40%

Q: Solve the problem.

Ted pays an annual premium of $459 for his life insurance policy. His brother Ned pays 20% more for the same policy because he is a little older. What is Ned's annual premium? Round your answer to the nearest dollar.
- $474 (incorrect)
- $551 (correct)
- $255 (incorrect)
- $536 (incorrect)
A: $551

Q: Solve.

On a biology test, a student got 25 questions correct but did not pass. On a second attempt, the student got 31 questions correct. What was the percent of increase?
- 6% (incorrect)
- 76% (incorrect)
- 24% (correct)
- 19.4% (incorrect)
A: 24%

Q: Solve the problem.

The normal gasoline mileage of a car is 24 mpg. On a smooth road, its mileage is 12% higher. What is its mileage on a smooth road? Round your answer to the nearest tenth.
- 50 mpg (incorrect)
- 2.9 mpg (incorrect)
- 26.9 mpg (correct)
- 24 mpg (incorrect)
A: 26.9 mpg

Q: Solve.

All 37 of the students in a mathematics class attended class on Monday. On Tuesday only 30 students attended. What was the percent of decrease?
- 18.9% (correct)
- 76.7% (incorrect)
- 23.3% (incorrect)
- 81.1% (incorrect)
A: 18.9%