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题目内容
The three children in the Alden family contributed 30 percent of the amount budgeted for savings. The oldest child contributed $150 more than the youngest child, and the middle child contributed $60 more than the youngest child. What was the median of the amounts that the children contributed to savings ?
In each of the years after year X, the Alden family budgeted $200 more for savings than it budgeted for savings the previous year. What is the total amount that the Alden family budgeted for savings over the 10 years beginning with year X?
If a, b, and c are positive integers such that $$\frac{a}{c}$$=0.075 and $$\frac{b}{c}$$=0.09, what is the least possible value of c?
Line k lies in the xy-plane. The x-intercept and the y-intercept of line k are a and b, respectively, where a≠0 and b≠0.

Which of the following statements individually provide(s) sufficient additional information to conclude that the slope of line k is positive?

Indicate all such statements.
If a rectangular room has length 20 meters, width 10 meters, and height 4 meters, then the volume of the room is how many cubic centimeters?
n=9.99999

The number k is the value of n rounded to the nearest tenth, and the number m is the value of n rounded to the nearest thousandth.

Quantity A

k

Quantity B

m
p is the least prime number such that |p-28| < 4.

Quantity A

p

Quantity B

26
$$x^{2}$$ ≠ 1

Quantity A

$$\frac{1}{x-1}-\frac{1}{x+1}$$

Quantity B

$$\frac{2}{x^{2}-1}$$


Quantity A

The length of side AB

Quantity B

$$\sqrt{5}$$
Last week a painter started a job on Tuesday, completing 44 percent of the job that day, and on Wednesday completed 25 percent of the job that remained.

Quantity A

The percent of the job that was not completed by the end of the day last Wednesday

Quantity B

42%
How many different three-digit integers, each of whose digits must be either 1 or 2 or 3, are greater than 300?
A catalog company had a special sale that offered a discount of $25 off each $75 in merchandise ordered. A shipping charge of 10 percent was calculated before the discount was taken, and sales tax of 5 percent was calculated after the discount was taken. If Jason ordered $300 in merchandise and no tax was calculated on shipping charges, what was the total charge for Jason's order?


The average (arithmetic mean) value of x in the frequency distribution above is 0. If a value of x is to be selected at random from the distribution, which of the following events is most likely?
It costs d dollars to buy n nails. At this rate, what is the cost of n+1,850 nails, in dollars?
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?

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