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z=x$$y^{2}$$,x < 0
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y > 0
Quantity A$$(\sqrt{y})^{2}$$
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m > n
Quantity A:|-m|-|-n|
Quantity B:|-n|-|-m|
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If x < y,which of the following must be true?
Indicate all such items.
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If x and y are numbers such that Ix-7l ≤ 3 and |y-2| ≤ 10, what is the least possible value of y-x?
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If |3x+2| < 5, then which of the following statements must be true?
Indicate all such statements.
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The sum of the 5 yuan cash and 10 yuan cash is 1575, the number of 10 yuan cash is three times as many as the number of 5 yuan cash, what is the number of 10 yuan cash?
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What percent of $$\frac{1}{2}$$ is $$\frac{2}{3}$$?
Give your answer to the nearest hundredths of a percent .
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A family paid 15 percent of its annual after-tax income on food last year. This amount was equal to 10 percent of its annual before-tax income last year. What percent does the after-tax income accounts for the before-tax income?
Give your answer to the nearest tenth of a percent.
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Among a survey to drivers, 36% of male driver, and 48% of female driver hate driving in the night, which is also 45% of all the drivers, what percent of all the drivers are male drivers?
Give your answer as a percent.
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There is a big bottle full of water, now pour half of the water into a small bottle and the small bottle is filled up. Then pour 25% water from the small bottle back into the big bottle. What is the percent of the water now in the big bottle?
Give your answer as a decimal.
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When delivering 104 total pieces of newspaper for a community, the number of households that subscribe to 3 pieces of newspaper is twice as many as the number of household that subscribe to 1 piece of newspaper, while the number of households that subscribe to 2 pieces of newspaper is three times as many as the number of household that subscribe to 1 piece of newspaper. What is the number of households that subscribe to 2 pieces of newspaper?
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Students T, S and R have some shoes, the number of T`s shoes is $$\frac{1}{3}$$ of S`s, and the number of R`s shoes is twice as many as S`s. If the number of R`s shoes are less than 30. What is the possible number of R`s shoes?
Indicate all such items.
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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?
Give your answer as a percent.
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There are three kinds of balls, red, blue and green, there are 4 times as many red balls as green balls, and 3 times as many red balls as blue balls. If the number of green balls is a positive even, and the number of blue balls is at least one. What is the least number of red balls?
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Students in a school are either graduate or undergraduate,if 60% of the students are graduate,30% of the graduate are majoring in engineering,and 40% of undergraduate are majoring in engineering, what percent of the engineering-students are graduate?
Give your answer to the nearest 0.01 percent.
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The fee of tuition plus accommodation is 42,000 this year, which is 5% higher than last year. Specifically, the accommodation fee increases by 2% and reaches 10,200 this year. If so, by what percent does the tuition increase from last year to this year?
Give your answer as a percent.
_____%
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The price of B is 20% greater than the price of A,and the price of A is 15% less than the price of C. If the price of C is $1.38,the price of B is what percentage higher than the price of C?
Give your answer as a percent.
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A person sold his one house at the price which is 20% less than the price he bought it, and he sold his another house at the price which is 20% more than the price he bought it, and the two houses were sold at the same prices,$192000. Then what percent is the sum of the prices he bought the two houses before more than $384,000?
Give your answer to the nearest hundredths of a percent.
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M company consists of A and B two divisions, M`s income is 42000, and it`s 5% higher than last year. Division A`s income is 10200, and it`s 2% higher than last year. What percent did B increase than last year?
Give your answer as a percent.
_____%
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