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Test Prep CBEST Test Exam
California Basic Educational Skills Test (Math and Reading) (Page 4 )

Updated On: 30-Jan-2026
Page 4 of 21
PDF with 100 Questions

A 15 cc dosage of a medication must be increased by 20 percent.
What is the new dosage?

  1. 17 cc
  2. 18 cc
  3. 20 cc
  4. 30 cc
  5. 35 cc

Answer(s): B

Explanation:

20 percent of 15 cc equals (0.20)(15) equals 3. Adding 3 to 15 gives 18 cc.



What is 2/3 divided by 5/12 ?

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A

Explanation:

For the answer,



Rosa finds the average of her three most recent golf scores by using the following expression, where a, b, and c are the three scores:

Which of the following would also determine the average of her scores?

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A

Explanation:

This is the same as the equation provided; each score is divided by three.



Roger wants to know if he has enough money to purchase several items. He needs three heads of lettuce, which cost $.99 each, and two boxes of cereal, which cost $3.49 each. He uses the expression (3 $0.99) + (2 x $3.49) to calculate how much the items will cost.
Which of the following expressions could also be used?

  1. Option A
  2. Option B
  3. Option C
  4. Option D
  5. Option E

Answer(s): A

Explanation:

Because there are three at $0.99 and 2 at $3.49, the sum of the two numbers minus $3.49 will give the cost.



If a school buys three computers at a, b, and c dollars each, and the school gets a discount of 90%, which expression would determine the average price paid by the school?

  1. Option A
  2. Option B
  3. Option C
  4. Option D

Answer(s): A

Explanation:

The 90% discount is over all three items; therefore the total price is (a + b + c) x 0.9. The average is the total price divided by the number of computers:



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