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A pianist agreed to perform one concert at a fee 12.5 percent less than her usual fee and a second concert at a fee 20 percent greater than the first fee. The fee for the second concert was what percent greater than her usual fee?
For the 500 measurements obtained in experiment X, the average (arithmetic mean) value is 280 and the value k is at the 75th percentile. For the 500 measurements obtained in experiment Y, the average value is 280 and the value n is at the 75th percentile.

Quantity A: k
Quantity B: n
x - y =5

Quantity A

$$x^{2} - y^{2}$$

Quantity B

5


Quantity A

$$(27)^{-8}$$

Quantity B

$$(81)^{-6}$$


8.Company A has twice as many employees as Company B, and the two companies have no employees in common. If 64 percent of the employees of Company A are women and 52 percent of the employees of Company B are women, what percent of all the employees of the two companies are women?
Which of the following pairs of integers have reciprocals whose sum is either less than $$\frac{1}{3}$$ or greater than $$\frac{1}{2}$$ ?

Indicate all such pairs.

n a survey, 130 people were asked how many movies they had seen in the preceding year. Their responses varied from 0 to 30 movies. The graphs above show two different summaries of the same survey results. How many people responded that they had seen 11 or 12 movies?
For each of the years 1997 through 2000*, the graph shows the number of towels imported to Japan from China, and the total number of towels imported to Japan from all countries, including China.



*For the first nine months of 2000
**1 dozen = 12
In 1998, how many of the imported towels were not imported from China?
If the average (arithmetic mean) number of towels imported from China per month was the same for the last 3 months of 2000 as it was for the first 9 months of 2000, approximately how many million dozen towels were imported from China during the 12 months of 2000?
In 1999, the ratio of the number of towels imported from China to the total number of towels imported from countries other than China was closets to which of the following?
If a square region with side x and a circular region with radius r have the same area, then x must be how many times as great as r?

ABCE is a square, and BCDE is a parallelogram.

Quantity A: The area of square ABCE
Quantity B: The area of parallelogram BCDE
x ≠ 0

Quantity A: $$x^{2}$$
Quantity B: x(x+5)
x < y-2

Quantity A

The average (arithmetic mean) of x and y

Quantity B

y-1


Last Monday a certain store sold 17 wrenches at x dollars each. Last Tuesday the store reduced its prices and sold an additional 8 wrenches at 0.5x dollars each. Which of the following is equal to the average (arithmetic mean) price, in dollars, of the 25 wrenches that the store sold last Monday and Tuesday?
In a distribution of 8,500 different measurements of the variable x, 26.5 is the 56th percentile and 37.1 is the 78th percentile. Which of the following is closest to the number of measurements of x that are in the distribution such that 26.5 ≤ x < 37.1 ?

The figure shows a smaller square with sides of length y inscribed in a larger square with sides of length x. Which of the following relationships between x, y, and z must be true ?
The area of a circular region is 5π

Quantity A

The diameter of the circular region

Quantity B

$$\sqrt{20}$$


x > 0

Quantity A

The area of a square region with diagonal of length $$\sqrt{2}x$$

Quantity B

The area of a circular region with diameter of length x




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