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A pianist agreed to perform one concert at a fee $$12\frac{1}{2}$$ 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?
The population of City X in 1999 was r percent greater than it was in 1990, and the average income per person in 1999 was i percent greater than it was in 1990. The percent increase in the total income of the entire population from 1990 to 1999 would have been greatest for which of the following values of r and i?
Yesterday a certain merchant had $1,285.00 in total sales. If $$\frac{1}{2}$$ of the total sales were from the sale of merchandise that had been reduced by 50 percent, what would have been the total sales yesterday if all of the merchandise had been sold at full price?
Last year the value of one share of a certain stock increased by 10 percent from January to June, and the value of one share of the stock increased by 50 percent from January to December. What was the percent increase in the value of one share of the stock from June to December of last year?

Give your answer to the nearest whole percent.

_____%
At a furniture store on Monday, the retail price of a table was n dollars. On Wednesday that week, the retail price of the table was reduced to $56. On Friday that week, the price of table was reduced again to 25 percent less than the price on Wednesday. If the ratio of n to the price of the table on Friday is 32 to 21, what is the value of n?
The price of a stock increased by 10% from January to February, decreased by n% from February to March, and then increased by 25% from March to April. If the company`s stock increased by 5% from January to April in total, then what is the value of n?

Give your answer to the nearest 0.1.
Last year Leo bought two paintings. This year he sold them for $21,000 each. On one, he made a 25% profit, and on the other he had a 25% loss. What was his net loss or profit?

$_____
On the first day, the ticket price of a concert is 15% less than the original price; on the second day, the ticket price of the concert continued to drop by 20% than the first day. What percent is the price of the ticket on the second day less than the original price?

Give your answer as a percent.

_____%
For each of the years 1993 and 1994, the population of City M increased by 20 percent during the year. If the population was 280,000 on December 31, 1994, approximately what was the population on January 1, 1993?
On May 5, 2004, the closing price of Stock A was $60.00, which was a decrease of 8 percent from the closing price of the stock on the previous day, May 4, 2004. On May 6, 2004, the closing price of the stock was exactly the same as the closing price on May 4, 2004. What was the percent increase in the closing price of the stock from May 5, 2004 to May 6, 2004?

Give your answer to the nearest whole percent.
y=2x+1, where x > 0.

Quantity A

The percent increase in the value of y when the value of x is increased by 10%

Quantity B

10%
Three variables, x, y, and z, in a scientific experiment are related by the equation $$z=x^{2}y$$. In the experiment, if the value of x decreases by 40 percent while the value of y increases by 50 percent, what is the percent decrease in the value of z?
The total revenue that firm P receives from the sale of a particular item is determined by multiplying the number of the items it sells by the price of the item. If the price of the item is to be decreased by 20 percent, by what percent must the number of the items sold increase to keep the total revenue unchanged?
The speed of light is $$3·10^{8}$$ meters per second, rounded to the nearest $$10^{8}$$ meters per second. A "light-hour" is the distance that light travels in an hour.



Quantity A

The number of kilometers in a light-hour

Quantity B

$$10^{10}$$
Evelyn owns two different properties with areas of 1.5 acres and 0.5 acre, respectively. What is the total area, in square feet of the two properties combined? (1 acre = 4,840 square yards, 1 yard = 3 feet)

_____square feet
1 acre=4,840 square yard

1 yard=3 feet

Quantity A

The number of square feet in 1 acre

Quantity B

40,000
The area of a certain floor is 150 square feet. (1 yard=3 feet)

Quantity A

The area of the floor, in square yards

Quantity B

30
It costs d dollars to buy t thumbtacks. At this rate, what is the cost of t+2,500 thumbtacks, in dollars?
1 cup=8 ounces

1 pint=2 cups

1 quart=2 pints

A large coffee jug contains 3 quarts, 1 pint, and 1.5 cups of coffee. What is the greatest number of 12-ounces mugs of coffee that can be filled from the jug?
A certain store sells circular rugs at a constant price per square foot. If a circular rug with diameter 5 feet costs $250, what is the cost of a circular rug with diameter 9 feet?

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