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1、SAT数学真题精品文档1. How long will Lucy have to wait before for her $2,500 invested at 6% earns $600 in simple interest?A. 2 years B. 3 years C. 4 years D. 5 years E. 6 years2. 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
2、 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. 163. If r = 5 z then 15 z = 3 y, then r =A. y B. 2 y C. 5 y D. 10 y E. 15 y4. What is 35% of a number if 12 is 15% of a number?A. 5 B. 12 C. 28 D. 33 E. 625. A computer is on sale for $1600, which is a
3、 20% discount off the regular price. What is the regular price?A. $1800 B. $1900 C. $2000 D. $2100 E. $22006. A car dealer sells a SUV for $39,000, which represents a 25% profit over the cost. What was the cost of the SUV to the dealer?A. $29,250 B. $31,200 C. $32,500 D. $33,800 E. $33,9997. After h
4、aving to pay increased income taxes this year, Edmond has to sell his BMW. Edmond bought the car for $49,000, but he sold it for a 20% loss. What did Edmond sell the car for?A. $24,200 B. $28,900 C. $35,600 D. $37,300 E. $39,2008. If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can
5、do in 2 days, how long would the job take if Sam, Lisa, and Tom worked together to complete it?A. 0.8 days B. 1.09 days C. 1.23 days D. 1.65 days E. 1.97 days9. Find 0.12 12A. 100 B. 10 C. 1 D. 0.01 E. 0.00110. Divide x5 by x2A. x25 B. x10 C. x7 D. x3 E. x2.511. Which of the following numbers could
6、be described in the following way: an integer that is a natural, rational and whole number?A. 0 B. 1 C. 2.33 D. -3 E. none of the above12. Find the mode of the following list of numbers: 2, 4, 6, 4, 8, 2, 9, 4, 3, 8A. 2 B. 3 C. 4 D. 5 E. 613. In the fraction 3/x, x may not be substituted by which of
7、 the following sets?A. 1, 2, 4 B. -2,-3,-4 C. 1, 3, 7 D. 0, 10, 20 E. 1.8, 4.314. Sarah needs to make a cake and some cookies. The cake requires 3/8 cup of sugar and the cookies require 3/5 cup of sugar. Sarah has 15/16 cups of sugar. Does she have enough sugar, or how much more does she need?A. She
8、 has enough sugar. B. She needs 1/8 of a cup of sugar. C. She needs 3/80 of a cup of sugar. D. She needs 4/19 of a cup of sugar. E. She needs 1/9 of a cup of sugar.15. At a company fish fry, 1/2 in attendance are employees. Employees spouses are 1/3 of the attendance. What is the percentage of the p
9、eople in attendance who are not employees or employee spouses?A. 10.5% B. 16.7% C. 25% D. 32.3% E. 38%16. In a college, some courses contribute more towards an overall GPA than other courses. For example, a science class is worth 4 points; mathematics is worth 3 points; History is worth 2 points; an
10、d English is worth 3 points. The values of the grade letters are as follows, A= 4, B=3, C=2, D=1, F=0. What is the GPA of a student who made a “C” in Trigonometry, a “B” in American History, an “A” in Botany, and a “B” in Microbiology?A. 2.59 B. 2.86 C. 3.08 D. 3.33 E. 3.6717. There are 8 ounces in
11、a pound. How many ounces are in 7 3/4 lbs?A. 12 ounces B. 86 ounces C. 119 ounces D. 124 ounces E. 138 ounces 18. If the value of x and y in the fraction XZ/Y are both tripled, how does the value of the fraction change?A. increases by half B. decreases by half C. triples D. doubles E. remains the sa
12、me19. What is the next number in the following pattern? 1, 1/2, 1/4, 1/8, _A. 1/10 B. 1/12 C. 1/14 D. 1/15 E. 1/1620. Of the following units which would be more likely used to measure the amount of water in a bathtub?A. kilograms B. liters C. milliliters D. centigrams E. volts21. If a match box is 0
13、.17 feet long, what is its length in inches the most closely comparable to the following?A. 5 1/16 inch highlighter B. 3 1/8 inch jewelry box C. 2 3/4 inch lipstick D. 2 3/16 inch staple remover E. 4 1/2 inch calculator22. Which of the following fractions is the equivalent of 0.5%?A. 1/20 B. 1/200 C
14、. 1/2000 D. 1/5 E. 1/50023. In the graph below, no axes or origin is shown. If point Bs coordinates are (10,3), which of the following coordinates would most likely be As?A. (17, -2) B. (10, 6) C. (6, 8) D. (-10, 3) E. (-2, -17)24. Over the course of a week, Fred spent $28.49 on lunch. What was the
15、average cost per day?A. $4.07 B. $3.57 C. $6.51 D. $2.93 E. $5.4125. Of the following units, which would be most likely to measure the amount of sugar needed in a recipe for 2 dozen cookies?A. degrees Celsius B. milliliters C. quarts D. kilograms E. cups26. Jim has 5 pieces of string. He needs to choose the piece that will be able to go around his 36-inch wais
