#### 题目列表

On Monday, the regular price of a widget was discounted by 25 percent. On Tuesday, the reduced price was discounted by 50 percent. If the final price was $60, what was the regular price? After receiving a 25% discount, Sue paid$180 for a lawnmower. What is the original price of the lawnmower before the discount?
When 12 marbles are added to a rectangular aquarium, the water in the aquarium rises $1\frac{1}{2}$ inches. In total, how many marbles must be added to the aquarium to raise the water $2\frac{3}{4}$ inches?
If the population of Townville went from 2105 to 1705, then the percent decrease in population is closest to
To reach her destination, Jeanette must drive 90 miles. If she drives 5 miles every 7 minutes, how much time will it take her to reach her destination?
If 24 kilograms of flour are required to make 300 tarts, how many kilograms of flour are required to make 45 tarts?
In a certain school, there are 160 boys and 240 girls. If 15 percent of the boys are left-handed and 25 percent of the girls are left-handed, what percent of the school`s entire student population is left-handed?
On a certain high school athletic team, the ratio of freshmen to sophomores to juniors to seniors is 1:3:4:6. If there are 60 juniors on the team, how many students in total are on the team?
In Dewey Elementary School, there are two second-grade classes: class A has 35 students and class B has 45 students. If 40% of the students in class A walk to school, and 80% of the students in class B walk to school, what percent of all the students in the second-grade at Dewey Elementary walk to school?
If 20 percent of 3k is 6, what is 40 percent of k?
At the close of the market on Monday, the price of a certain volatile stock was exactly $100.00 per share. By close of the day on Tuesday, the stock was 20% up from its start that day. By the close of the day on Wednesday, the stock was 10% up from its start that day. By the close of the day on Thursday, the stock was 30% down from its start that day. What was the price per share by the end of the day on Thursday? If the sales tax on a$12.00 purchase is $0.66, what is the sales tax on a$20.00 purchase?
In 2004, Cindy had $4000 in a mutual fund account. In 2005, the amount in the same account was$5000. If the percent increase from 2004 to 2005 was the same as the percent increase from 2005 to 2006, how much did Cindy have in this account in 2006?
At a certain farm the ratio of pigs to cows to chickens is 7:8:10. If the total number of pigs, cows and chickens is 300, how many chickens are there?
At a certain store, one can buy 6 cans of juice for $8. How many cans of this same juice could one buy with$48?
In Aldebaran Corporation, 35% of the managers have an MBA. If there are 42 managers with MBA, what is the total number of managers?
If it takes Bill 8 minutes to peel 30 potatoes, how many potatoes can he peel in one hour?
The price of a pair of sneakers was \$80 for the last six months of last year. On January first, the price increased 20%. After the price increase, an employee bought these sneakers with a 10% employee discount. What price did the employee pay?
If x\timesy$\neq$ , and 75 percent of x equals 125 percent of y , which of the following is true?
A retailer purchases shirts from a wholesaler and then sells the shirts in her store at a retail price that is 80 percent greater than the wholesale price. If the retailer decreases the retail price by 30 percent this will have the same effect as increasing the wholesale price by what percent?

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