SAT数学题的做题规则

2022-06-01 10:33:55

  21. A building that is 150 ft tall casts a shadow of 20 feet long. At the same time a tree casts a shadow of 2 ft. How tall is the tree?

  A. 10

  B. 15

  C. 20

  D. 25

  E. 30

  22. Which of the following is a true statement?

  A. The product of two negative numbers is negative.

  B. The product of one negative and one positive number is positive.

  C. When dividing a positive number by a negative number, the results are negative.

  D. When dividing a negative number by a positive number, the results are positive.

  E. When dividing a negative number by a negative number the results are negative.

  23. What is the fractional equivalent of 12.5%?

  A. 1/4

  B. 2/9

  C. 1/5

  D. 1/8

  E. 2/7

  24. Change 4 3/5 to an improper fraction.

  A. 23/5

  B. 7/5

  C. 12/20

  D. 20/12

  E. 12/5

  25. The fine for a driver riding in the carpool lane without any passengers is $133. A driver is issued a bench warrant for $2,294.25, which includes a 15% fee for late charges and court costs. How many tickets has the driver not paid?

  A. 10

  B. 12

  C. 13

  D. 14

  E. 15

  26. Brett started a race at 6:30 A.M., and he did not cross the finish line until 1:05 P.M. How long did it take for Brett to finish the race?

  A. 6 hours and 15 minutes

  B. 6 hours and 35 minutes

  C. 7 hours and 5 minutes

  D. 7 hours and 15 minutes

  E. 7 hours and 35 minutes

  27. What is the fraction equivalent of the shaded region in the following circle?

  A. 2/3

  B. 3/8

  C. 4/5

  D. 3/4

  E. 7/16

  28. Multiply 2.345 x 0.023

  A. 0.53935

  B. 0.053935

  C. 0.0053935

  D. 10.195652

  E. 101.95652

  29. A men's basketball team won 24 games and lost 32. What is the ratio of games lost to the number of games played?

  A. 32:24

  B. 4:3

  C. 3:4

  D. 4:7

  E. 3:7

  30. Which of the following choices is equivalent to 5/6?

  A. 5/12

  B. 10/6

  C. 20/30

  D. 15/24

  E. 15/18

  31. Jill earns $120 for 8 hours of work. At the same pay rate, how much will she earn for 15 hours of work?

  A. $180

  B. $225

  C. $245

  D. $280

  E. $310

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