SSAT数学习题：百分比.

�　　SSAT考试，全称Secondary School Admission Test，中文名称为美国中学入学考试，适用于美国、加拿大私立中学的入学，是申请者所必须具备的一个考试成绩。下面为大家整理的是关于SSAT数学百分比的习题，希望同学们加强练习。

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　　1. If a discount of 20% off the retail price of a desk saves Mark $45, how much did he pay for the desk?

　　A. $145

　　B. $160

　　C. $180

　　D. $210

　　E. $215

　　2. A customer pays $1,100 in state taxes on a newly purchased car. What is the value of the car if state taxes are 8.9% of the value?

　　A. $9.765.45

　　B. $10,876.90

　　C. $12,359.55

　　D. $14,345.48

　　E. $15,745.45

　　3. How many years does Steven need to invest his $3,000 at 7% to earn $210 in simple interest?

　　A. 1 year

　　B. 2 years

　　C. 3 years

　　D. 4 years

　　E. 5 years

　　�4. Sabrina�s boss states that she will increase Sabrina�s salary from $12,000 to $14,000 per year if she enrolls in business courses at a local community college. What percent increase in salary will result from Sabrina taking the business courses?

　　A. 15%

　　B. 16.7%

　　C. 17.2%

　　D. 85%

　　E. 117%

　　5. 35% of what number is 70?

　　A. 100

　　B. 110

　　C. 150

　　D. 175

　　E. 200

　　6. What number is 5% of 2000?

　　A. 50

　　B. 100

　　C. 150

　　D. 200

　　E. 250

　　7. What percent of 90 is 27?

　　A. 15%

　　B. 20%

　　C. 30%

　　D. 33%

　　E. 41%

　　8. Jim works for $15.50 per hour for a health care facility. He is supposed to get a 75 cent per hour raise at one year of service. What will his percent increase in hourly pay be?

　　A. 2.7%

　　B. 3.3%

　　C. 133%

　　D. 4.8%

　　E. 105%

　　9. If 45 is 120% of a number, what is 80% of the same number?

　　A. 30

　　B. 32

　　C. 36

　　D. 38

　　E. 41

　　10. How long will Lucy have to wait bore 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 years

　　参考答案：1. (C) 2. (C) 3. (A) 4. (B) 5. (E) 6. (B) 7. (C) 8. (D) 9. (A) 10. (C)

　　以上就是关于SSAT考试数学百分比的习题。同学们在备考SSAT数学的过程中，一定要加强练习，遇到不懂的词，一定要亲自动手去查。只有常做题，才能熟练掌握一些常见的数学词汇，从而提高做题的正确率。