分享19道ACT数学练习题及答案

　　众所周知，SAT或ACT考试成绩在美国大学申请中占有一定的地位，尽管美国的大学并不是唯分数论，但是对于要求提供SAT或ACT考试成绩的学校来说，申请者如果能取得较好的SAT或ACT成绩就会为申请增加成功的砝码。

　　全世界每年有近250万人次参加ACT考试，ACT考试不仅考察学生对英语的掌握能力，还要考查数学、科学等多个方面，是一项能力的测试。在国内，已有一些“211工程”的大学获美国ACT Education Solutions Limited 授权成为美国高考官方培训点，通过与“全球最受广泛认可的国际大学预科”GAC(Global Assessment Certificate)课程以及“美国高考”ACT(American College Test)考试的中西优质教育资源结合，开设了GAC国际大学预科课程(如：广州暨南大学GAC-ACT中心)[1] ，为学生提供考试服务，学生不必再像以往那样必须到香港报名。GAC国际大学预科课程内容与美国ACT考试要求非常一致，学生在完成GAC预科学习的同时，即可在该中心参加ACT考试。

　　ACT考试每年举行6次，具体时间分别是2月、4月、6月、9月、10月和12月;其中2月考试只在北美地区举行。

　　据ACT考试的主办方负责人透露，为了在中国进行ACT考试的推广，ACT方面已经在中国的一些大城市设置了教学考试中心。并将在年内在国内的北京、上海、沈阳、青岛、大连、成都、广州，哈尔滨，西安等城市设置相关的考场，为考生参加ACT考试提供更大的便利。

　　数学是ACT考试重要的一部分，需要考生在60分钟内解答60道题目，下面就为考生分享19道ACT数学练习题，考生不妨拿起笔来练习一下，看看你能对几个哦?

　　1. If Lynn can type a page in p minutes, what piece of the page can she do in 5 minutes?

　　A. 5/p

　　B. p - 5

　　C. p + 5

　　D. p/5

　　E. 1- p + 5

　　2. If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?

　　A. 2 hours and 24 minutes

　　B. 3 hours and 12 minutes

　　C. 3 hours and 44 minutes

　　D. 4 hours and 10 minutes

　　E. 4 hours and 33 minutes

　　3. Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?

　　A. $280.90

　　B. $287

　　C. $292.50

　　D. $306

　　E. $333.89

　　4. The sales price of a car is $12,590, which is 20% off the original price. What is the original price?

　　A. $14,310.40

　　B. $14,990.90

　　C. $15,290.70

　　D. $15,737.50

　　E. $16,935.80

　　5. Solve the following equation for A : 2A/3 = 8 + 4A

　　A. -2.4

　　B. 2.4

　　C. 1.3

　　D. -1.3

　　E. 0

　　6. If Leah is 6 years older than Sue, and John is 5 years older than Leah, and the total of their ages is 41. Then how old is Sue?

　　A. 8

　　B. 10

　　C. 14

　　D. 19

　　E. 21

　　7. Alfred wants to invest $4,000 at 6% simple interest rate for 5 years. How much interest will he receive?

　　A. $240

　　B. $480

　　C. $720

　　D. $960

　　E. $1,200

　　8. Jim is able to sell a hand-carved statue for $670 which was a 35% profit over his cost. How much did the statue originally cost him?

　　A. $496.30

　　B. $512.40

　　C. $555.40

　　D. $574.90

　　E. $588.20

　　9. The city council has decided to add a 0.3% tax on motel and hotel rooms. If a traveler spends the night in a motel room that costs $55 before taxes, how much will the city receive in taxes from him?

　　A. 10 cents

　　B. 11 cents

　　C. 15 cents

　　D. 17 cents

　　E. 21 cents

　　10. Simon arrived at work at 8:15 A.M. and left work at 10: 30 P.M. If Simon gets paid by the hour at a rate of $10 and time and ? for any hours worked over 8 in a day. How much did Simon get paid?

　　A. $120.25

　　B. $160.75

　　C. $173.75

　　D. $180

　　E. $182.50

　　11. Grace has 16 jellybeans in her pocket. She has 8 red ones, 4 green ones, and 4 blue ones. What is the minimum number of jellybeans she must take out of her pocket to ensure that she has one of each color?

　　A. 4

　　B. 8

　　C. 12

　　D. 13

　　E. 16

　　12. If r = 5 z then 15 z = 3 y, then r =

　　A. y

　　B. 2 y

　　C. 5 y

　　D. 10 y

　　E. 15 y

　　13. If 300 jellybeans cost you x dollars. How many jellybeans can you purchase for 50 cents at the same rate?

　　A. 150/x

　　B. 150x

　　C. 6x

　　D. 1500/x

　　E. 600x

　　14. Lee worked 22 hours this week and made $132. If she works 15 hours next week at the same pay rate, how much will she make?

　　A. $57

　　B. $90

　　C. $104

　　D. $112

　　E. $122

　　15. If 8x + 5x + 2x + 4x = 114, the 5x + 3 =

　　A. 12

　　B. 25

　　C. 33

　　D. 47

　　E. 86

　　16. You need to purchase a textbook for nursing school. The book cost $80.00, and the sales tax where you are purchasing the book is 8.25%. You have $100. How much change will you receive back?

　　A. $5.20

　　B. $7.35

　　C. $13.40

　　D. $19.95

　　E. $21.25

　　17. You purchase a car making a down payment of $3,000 and 6 monthly payments of $225. How much have you paid so far for the car?

　　A. $3225

　　B. $4350

　　C. $5375

　　D. $6550

　　E. $6398

　　18. Your supervisor instructs you to purchase 240 pens and 6 staplers for the nurse''s station. Pens are purchased in sets of 6 for $2.35 per pack. Staplers are sold in sets of 2 for 12.95. How much will purchasing these products cost?

　　A. $132.85

　　B. $145.75

　　C. $162.90

　　D. $225.25

　　E. $226.75

　　19. If y = 3, then y3(y3-y)=

　　A. 300

　　B. 459

　　C. 648

　　D. 999

　　E. 1099

　　Answer Key

　　1. A 2. A　3. D　　4. D　　5. A　　6. A　　7. E　　8. A　　9. D　　10. C　　11. D　　12. A　　13. A　　14. B　　15. C　　16. C　　17. B　　18. A 19. C

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