#### 题目列表

At a certain company, 30 percent of the male employees and 50 percent of the female employees have an MBA. If 40 percent of the employees are female, what percent of the employees do not have an MBA?
Today, Bill is thirteen times as old as Pete. In nine years, Bill will be four times as old as Pete. How old will Pete be 2 years from today?
Sue planted 4 times as many apple seeds as she planted orange seeds. 15 percent of the apple seeds grew into trees, and 10 percent of the orange seeds grew into trees. If a total of 420 apple trees and orange trees grew from the seeds, how many orange seeds did Sue plant?
In order to qualify for the year-end tennis tournament, Sam must win at least 60 percent of his matches this year. Presently Sam has won 14 of his 18 matches. Of Sams 13 matches remaining in the year, what is the least number that he must win in order to qualify for the year-end tournament?
A shipment of watermelons weighs 899 pounds. If each watermelon weighs at least 15 pounds, what is the greatest number of watermelons that could be in the shipment?
In a certain sequence, the term tn is defined as $t_n = 3*(t_(n-1)) - 2*(t_(n-2)$ for all n > 2. If $t_1 = -2$ and $t_2 = -1$ , then $t_4 =$
It took Ellen 6 hours to ride her bike a total distance of 120 miles. For the first part of the trip, her speed was constantly 25 miles per hour. For the second part of her trip, her speed was constantly 15 miles per hour. For how many miles did Ellen travel at 25 miles per hour?
In a group of 50 students, 31 are taking French, 17 are taking Spanish, and 10 are taking neither French nor Spanish. How many students are taking both French and Spanish?

#### Quantity A

The trip's distance in miles

#### Quantity B

16

Cleve is 4 times as old as Al. Bob is 3 years younger than Al. The sum of their ages is 81.

Al's age

#### Quantity B

13

Whenever Art Dealer sells a sculpture, he earns a 20 percent commission on the first $12,000 of the sale price plus 15 percent of the sale price in excess of$12,000. If Art earned a $3,900 commission on the sale of a certain sculpture, what was the sale price?_____ At Joe's candy store, the total cost of 1 gumball and 1 lollipop is$0.74. The total cost of 1 chocolate bar and 1 lollipop is $0.92. The total cost of 1 gumball and 1 chocolate bar is$1.24. What is the cost in dollars of 1 chocolate bar?
Nina has exactly enough money to purchase 6 widgets. If the cost of each widget were reduced by \$1.25, then Nina would have exactly enough money to purchase 8 widgets. How much money does Nina have?
Ben is three times as old as Ron. Ed is 8 years younger than Ben. Ron is 7 years older than Ken. If the sum of the ages of all four people is 161, how many years old is Ron?
Three friends are buying a gift for a friend. Declan contributes 4 dollars more than $\frac{1}{4}$ the cost of the gift, Ed contributes 1 dollar less than $\frac{1}{3}$ the cost of the gift, and Frank contributes the remaining 22 dollars. What is the cost of the gift?
Don has x marbles. If y marbles are white, what percent of Dons marbles are NOT white?
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