SSAT基础数学练习及答案（四)

33. 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
34. 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
35. 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
36. 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
37. 6.334 x 104 =
A. 0.0006334
B. 0.06334
C. 6334
D. 63340
E. 633400
38. If 3x + 5x = -8, then x + 1 =
A. -2
B. -1
C. 0
D. 1
E. 2
39. 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°
40. 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)