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题目内容
$$\frac{81^{3}-27^{3}}{3^{7}}$$_____
For which of the following values of x is $$\frac{4^x}{x^4}$$ an integer?Indicate all possible values.
$$\frac{3}{\frac{6}{7}}=$$
$$\frac{\frac{1}{5}-\frac{1}{2}}{\frac{1}{5}+\frac{1}{2}}$$

Quantity A

$$\frac{15}{16}+\frac{1}{256}$$

Quantity B

$$1-\frac{1}{64}$$
A deposit at a local bank earns between 2 percent and 5 percent simple interest in a year. If Shirley makes an initial deposit of $800 at the bank, which of the following could be the amount of money in her account at the end of one year?

Quantity A

The change in price of a pair of shoes marked down by 50%

Quantity B

The change in price of a pair of boots marked down by 30%
Joey works at a clothing store and receives an employee discount of 10 percent off the regular price of any item. What is the regular price of an item that Joey purchases for $99?
Rohan began a savings account with a balance of $200. His current balance is $150.

Quantity A

The percent decrease from Rohan`s original balance to his current balance

Quantity B

The percent increase that would return Rohan`s current balance to his original balance
If 20 percent of x is 5y, and y = 7, what is 60 percent of x?
$$\frac{1}{48}+\frac{1}{48}+\frac{1}{12}+\frac{1}{8}+\frac{1}{4}+\frac{1}{2}=$$
The Warm Muffin Bakery`s cookie sales are always 60 percent of its muffin sales. What would be the increase in The Warm Muffin Bakery`s cookie sales if its muffin sales increased from 10,000 to 20,000?

Quantity A

$$\frac{7}{8}-0.25$$

Quantity B

$$0.325+\frac{1}{3}$$
Which of the following inequalities is true?
Company A`s output of 245 widgets per week is 35 percent of Company B`s weekly widget output.

Quantity A

700

Quantity B

Company B`s weekly widget output.
If $$mb\neq0,\frac{2+m}{mn}=$$
A car with all available options costs $18,000, an increase of 20% from the base price of the car.

Quantity A

The base price of the car

Quantity B

$14,400
What percent is equivalent to 0.0025?
Which of the following fractions is closest in value to $$\frac{5}{8}$$?
A certain brand of imported cigars costs $30 for a box of 20; when bought individually, the cigars cost $2 each.

Quantity A

The percent saved when a box of cigars is purchased, rather than 20 individual cigars

Quantity B

$$33(\frac{1}{3})$$

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