SSAT数学每日一练（7.19）

　　以下是今天的SSAT数学每日一练，希望同学们能够认真仔细的完成。

　　1. Sue receives a base salary of $90 weekly plus a 12% commission on all sales. Sue had $3,000 in sales this week. How much did she make total?

　　A. $375

　　B. $450

　　C. $480

　　D. $510

　　E. $525

　　2. If the perimeter of a rectangular house is 25 1/3 yards, and the length is 22 feet. What is the width?

　　A. 16 feet

　　B. 35 feet

　　C. 37 feet

　　D. 40 feet

　　E. 42 feet

　　3. Jimmy made a 15% profit on the sale of a custom designed boat, and the original cost of the boat was $15,000. The boat sold for how much?

　　A. $17,250.00

　　B. $16,540.44

　　C. $16,230.34

　　D. $15,980.55

　　E. $15,870.88

　　4. A recent study showed that an increase in body weight by 10 kilograms resulted in a 0.15% increase in heart disease. What fraction is equal to 0.15%?

　　A. 3/2000

　　B. 2/750

　　C. 7/4000

　　D. 5/3462

　　E. 1/500

　　5. 6.334 x 104 =

　　A. 0.0006334

　　B. 0.06334

　　C. 6334

　　D. 63340

　　E. 633400

　　6. If 3x + 5x = -8, then x + 1 =

　　A. -2

　　B. -1

　　C. 0

　　D. 1

　　E. 2

　　7. Two angle in a triangle equal 120°. What is the measure of the third angle?

　　A. 60°

　　B. 70°

　　C. 80°

　　D. 90°

　　E. 120°

　　8. Which of the following would be an appropriate unit to measure sugar for a cookie recipe?

　　A. liters

　　B. cups

　　C. quarts

　　D. kilograms

　　E. pounds

　　Answers:1. (B) 2. (A) 3. (A) 4. (A) 5. (D) 6. (C) 7. (A) 8. (B)