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题目内容
For some maintenance work, an electrician charged $288 for labor and parts. The labor charge was $40 per hour, and the total charge for labor was 5 times the charge for parts. How many hours of labor did the electrician charge for the work?

_____hours
For how many of the six activities shown is the number of members who participate in that activity greater than 1,000?
What percent of the members who participate in fitness classes are in the 16-25 age-group?
The number of members who participate in swimming is approximately what percent less than the number of members who participate in jogging?


On the number line, point M (not shown) is between points K and N, and the coordinate of M is x. If the distance from K to M is the average (arithmetic mean) of the distance from K to N and the distance from M to N, what is the value of x?
In a group of people, 30 people speak French, 40 speak Spanish, and $$\frac{1}{2}$$ of the people who speak Spanish do not speak French. If each person in the group speaks French, Spanish, or both, which of the following statements are true?

Indicate all such statements.
Each paperback copy of a certain book costs $5 and a hardback copy of the book costs $8. The average (arithmetic mean) cost of x paperback copies and y hardback copies is 6.

Quantity A

x

Quantity B

y
The length of line segment RS is 6. P is a point on RS, and T is a point that is not on the line through points R and S. The length of line segment PT is greater than 1 and less than 2.

Quantity A

The area of triangular region RST

Quantity B

6
n is the number of three-digit positive integers in which at least two of the digits are equal to 1.

Quantity A

n

Quantity B

29
Each of $$a$$, $$b$$, $$c$$, and $$d$$ is a positive integer less than $$10$$, and the product of $$a$$, $$b$$, $$c$$ and $$d$$ is $$945$$.

Quantity A

The sum of $$a$$, $$b$$, $$c$$ and $$d$$

Quantity B

$$24$$
$$a_{1}$$, $$a_{2}$$, $$a_{3}$$, ......, $$a_{n}$$......

In the sequence shown, $$a_{1}$$=6 and for each integer n greater than 1, $$a_{n}$$ is defined by

$$a_{n}$$=

2+$$a_{n-1}$$ if n is even

-8+$$a_{n-1}$$ if n is odd

Quantity A

$$a_{7}$$

Quantity B

-12
-1 < x < 0 < y < z < 1

Quantity A

The median of x, y and z

Quantity B

The median of $$x^{2}$$, $$y^{2}$$, and $$z^{2}$$
A college student purchased textbooks in three subjects-biology, calculus, and economics. The price of the biology textbook was 25 percent less than the price of the calculus textbook and 5 percent greater than the price of the economics textbook. The price of the calculus textbook was what percent greater than the price of the economics textbook?
A certain rectangular painting is 1.5 feet high and 3 times as wide as it is high. The painting is to be framed by a wood frame that is 3 inches wide, as shown in the figure.



Which of the following is closest to the minimum number of feet of 3-inch-wide wood framing that will be needed to frame the painting? (1 foot = 12 inches)
The area of rectangular region R is 50 percent greater than the area of rectangular region S. If the length of R is 25 percent greater than the length of S, then the width of R is what percent greater than the width of S?
If $$y^{-1}$$=$$x^{3}$$ and $$w^{-1}$$=$$y^{3}$$, which of the following is an expression for w in terms of x?
The average (arithmetic mean) of a set of n test scores is 70. If a new score of 90 is added to the set, the average of the set of scores will be 72. What is the value of n?
A dealer's gross profit on the sale of a car is defined as the selling price of the car minus its cost to the dealer. A car dealer sold $$n$$ cars for $$s$$ dollars each. If the dealer's total gross profit was $$p$$ dollars, what was the dealer's average (arithmetic mean) cost per car, in dollars?

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