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列方程-PS-OG：第51-60题 练习册详情

列方程-PS-OG：第51-60题
  • 题目数量：10题
  • 建议练习时间： 15 ~ 25 min
  • 练习人数：63人
  • 平均正确率：75%
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练习册题目信息

1

The product of two negative numbers is 160. If the lesser of the two numbers is 4 less than twice the greater, what is the greater number?

597人做过此题 平均耗时为8min16s 平均正确率为 48%
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2

A certain experimental mathematics program was tried out in 2 classes in each of 32 elementary schools and involved 37 teachers. Each of the classes had 1 teacher and each of the teachers taught at least 1, but not more than 3, of the classes. If the number of teachers who taught 3 classes is n, then the least and greatest possible values of n, respectively, are

1099人做过此题 平均耗时为13min57s 平均正确率为 58%
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3

GMAT、gmat题库、gmat模考、gmat考满分

According to the table shown, the estimated number of home-schooled students in State A approximately what percent greater than the number in State D?

1298人做过此题 平均耗时为10min39s 平均正确率为 46%
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4

GMAT、gmat题库、gmat模考、gmat考满分

Shawana made a schedule for reading books during 4 weeks (28 days) of her summer vacation. She has checked out 12 books from the library. The number of pages in each book and the order in which she plans to read the books are shown in the table above. She will read exactly 50 pages each day. The only exception will be that she will never begin the next book on the same day that she finishes the previous one, and therefore on some days she may read fewer than 50 pages. At the end of the 28th day, how many books will Shawana have finished?

2491人做过此题 平均耗时为24min50s 平均正确率为 68%
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5

Cheryl purchased 5 identical hollow pine doors and 6 identical solid oak doors for the house she is building. The regular price of each solid oak door was twice the regular price of each hollow pine door. However, Cheryl was given a discount of 25% off the regular price of each solid oak door. If the regular price of each hollow pine door was $40, what was the total price of all 11 doors?

3071人做过此题 平均耗时为22min51s 平均正确率为 58%
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6

Company Q plans to make a new product next year and sell each unit of this new product at a selling price of $2. The variable costs per unit in each production run are estimated to be 40% of the selling price, and the fixed cost of each production run are estimated to be $5,040. Based on these estimated costs, how many units of the new product will Company Q need to make and sell in order for their revenue to equal their total costs for each production run?

2501人做过此题 平均耗时为18min7s 平均正确率为 41%
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7

During a certain time period, Car X traveled north along a straight road at a constant rate of 1 mile per minute and used fuel at a constant rate of 5 gallons every 2 hours. During this time period, if Car X used exactly 3.75 gallons of fuel, how many miles did Car X travel?

3491人做过此题 平均耗时为23min40s 平均正确率为 67%
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8

Al and Ben are drivers for SD Trucking Company. One snowy day, Ben left SD at 8:00 a.m. heading east and Al left SD at 11:00 a.m. heading west. At a particular time later that day, the dispatcher retrieved data from SD's vehicle tracking system. The data showed that, up to that time, Al had averaged 40 miles per hour and Ben had averaged 20 miles per hour. It also showed that Al and Ben had driven a combined total of 240 miles. At what time did the dispatcher retrieve data from the vehicle tracking system?

1308人做过此题 平均耗时为14min22s 平均正确率为 61%
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9

Last week Chris earned x dollars per hour for the first 40 hours worked plus 22 dollars per hour for each hour worked beyond 40 hours. If last week Chris earned a total of 816 dollars by working 48 hours, what is the value of x ?

2591人做过此题 平均耗时为13min46s 平均正确率为 41%
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10

A worker carries jugs of liquid soap from a production line to a packing area, carrying 4 jugs per trip. If the jugs are packed into cartons that hold 7 jugs each, how many jugs are needed to fill the last partially filled carton after the worker has made 17 trips?

1362人做过此题 平均耗时为11min7s 平均正确率为 48%
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