GED Math Test #8 2

Question 1

What is 3/8 ÷ 3/4?

Accepted Answer

1/2

Answer

To divide fractions, multiply by the reciprocal: 3/8 × 4/3 = 12/24 = 1/2. Always keep the first fraction, change division to multiplication, and flip the second fraction.

Question 2

A line graph shows sales: Jan=$5,000; Feb=$7,500; Mar=$6,000; Apr=$9,000. What was the average monthly sales?

Accepted Answer

$6,875

Answer

Average = (5,000 + 7,500 + 6,000 + 9,000) ÷ 4 = 27,500 ÷ 4 = $6,875.

Question 3

Which expression is equivalent to −(3x − 2y + 5)?

Accepted Answer

−3x + 2y − 5

Answer

Distribute the negative sign to each term: −1(3x) = −3x; −1(−2y) = +2y; −1(5) = −5. Result: −3x + 2y − 5.

Question 4

A box has dimensions 4 ft × 3 ft × 2 ft. What is its volume?

Accepted Answer

24 ft³

Answer

Volume of a rectangular prism = length × width × height = 4 × 3 × 2 = 24 ft³.

Question 5

If 5 workers can complete a job in 12 days, how many days will it take 3 workers at the same rate?

Accepted Answer

20 days

Answer

Total work = 5 × 12 = 60 worker-days. With 3 workers: 60 ÷ 3 = 20 days. This is an inverse proportion problem.

GED Practice Test

GED Practice Test

GED Math Test #8 2