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WorkKeys Exam Practice Questions and Answers _ ACT WorkKeys Test Prephttps://www.stuvia.com/user/edupac
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What is a ratio? In a workplace report, 8 defective parts are found out of 200 parts produced.
Which mathematical term describes the comparison 8:200?
Ratio. A ratio compares two quantities using division. Here, the defect-to-production ratio is
8:200 or 1:25.
A percentage is a number expressed as a fraction of ______.
100. Percent means "per hundred."
A machine produced 480 units instead of the target 400 units. By what percent did production
exceed the target?
Difference = 80. Percent increase = (80 ÷ 400) × 100 = 20% increase.
A product price rises by 20% and then falls by 20%. Is the final price equal to the original price?
Why?
No. The decrease is based on the higher amount. Example: $100 → $120 → $96. Final price is
lower than original.
What is the mathematical meaning of mean in WorkKeys Applied Math problems?
Mean = Average. Add all values and divide by the number of values.
A worker records temperatures of 68°F, 70°F, 72°F, and 74°F. What is the mean temperature?
(68 + 70 + 72 + 74) ÷ 4 = 71°F.
Define median.
The middle value in an ordered data set.
What is the median of 5, 7, 8, 11, 20?
8 because it is the middle value.
Define mode.
The value occurring most frequently in a data set.
What is the mode of 12, 14, 14, 16, 18, 14, 20?
14, because it appears three times.
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A shipping company charges $2.50 per package. What is the cost of shipping 36 packages?
36 × $2.50 = $90.00.
To convert a decimal to a percent, multiply by ______.
100
Convert 0.875 to a percentage.
0.875 × 100 = 87.5%.
Convert 45% to a decimal.
45 ÷ 100 = 0.45.
What is a proportion?
An equation showing two ratios are equal.
If 5 boxes weigh 40 pounds, how much do 12 boxes weigh at the same rate?
40 ÷ 5 = 8 lb per box; 12 × 8 = 96 pounds.
A worker earns $18 per hour and works 37 hours. What are the gross earnings?
37 × 18 = $666.
Define gross pay.
Total earnings before deductions such as taxes and insurance.
Define net pay.
Earnings remaining after deductions are subtracted from gross pay.
A store receives a 15% discount on a $2,000 order. How much is the discount?
0.15 × 2000 = $300.
What is the final price after a 15% discount on a $2,000 order?
$2,000 − $300 = $1,700.
Is 25% of 80 the same as 80% of 25? Explain.
Yes. Both equal 20 because multiplication is commutative.
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Define unit rate.
A rate with a denominator of 1 unit.
A truck travels 360 miles in 6 hours. What is its unit rate?
360 ÷ 6 = 60 miles per hour.
Distance = Rate × ______.
Time.
A forklift travels at 8 mph for 2.5 hours. How far does it travel?
8 × 2.5 = 20 miles.
What is the area of a rectangle measuring 14 ft by 9 ft?
Area = 14 × 9 = 126 square feet.
Define perimeter.
Total distance around a figure.
What is the perimeter of a rectangle 12 ft long and 8 ft wide?
2(12 + 8) = 40 feet.
A storage room measures 20 ft by 15 ft. How many square feet of flooring are needed?
20 × 15 = 300 sq ft.
Define volume.
Amount of three-dimensional space an object occupies.
What is the volume of a box measuring 4 ft × 3 ft × 2 ft?
4 × 3 × 2 = 24 cubic feet.
A tank contains 120 gallons and uses 15 gallons per hour. How long before empty?
120 ÷ 15 = 8 hours.
Multiplying any number by zero leaves the number unchanged. Explain.
False. Any number multiplied by zero equals zero.
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WorkKeys Exam Practice
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What is a ratio? In a workplace report, 8 defective parts are found out of 200 parts produced.
Which mathematical term describes the comparison 8:200?
Ratio. A ratio compares two quantities using division. Here, the defect-to-production ratio is
8:200 or 1:25.
A percentage is a number expressed as a fraction of ______.
100. Percent means "per hundred."
A machine produced 480 units instead of the target 400 units. By what percent did production
exceed the target?
Difference = 80. Percent increase = (80 ÷ 400) × 100 = 20% increase.
A product price rises by 20% and then falls by 20%. Is the final price equal to the original price?
Why?
No. The decrease is based on the higher amount. Example: $100 → $120 → $96. Final price is
lower than original.
What is the mathematical meaning of mean in WorkKeys Applied Math problems?
Mean = Average. Add all values and divide by the number of values.
A worker records temperatures of 68°F, 70°F, 72°F, and 74°F. What is the mean temperature?
(68 + 70 + 72 + 74) ÷ 4 = 71°F.
Define median.
The middle value in an ordered data set.
What is the median of 5, 7, 8, 11, 20?
8 because it is the middle value.
Define mode.
The value occurring most frequently in a data set.
What is the mode of 12, 14, 14, 16, 18, 14, 20?
14, because it appears three times.
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A shipping company charges $2.50 per package. What is the cost of shipping 36 packages?
36 × $2.50 = $90.00.
To convert a decimal to a percent, multiply by ______.
100
Convert 0.875 to a percentage.
0.875 × 100 = 87.5%.
Convert 45% to a decimal.
45 ÷ 100 = 0.45.
What is a proportion?
An equation showing two ratios are equal.
If 5 boxes weigh 40 pounds, how much do 12 boxes weigh at the same rate?
40 ÷ 5 = 8 lb per box; 12 × 8 = 96 pounds.
A worker earns $18 per hour and works 37 hours. What are the gross earnings?
37 × 18 = $666.
Define gross pay.
Total earnings before deductions such as taxes and insurance.
Define net pay.
Earnings remaining after deductions are subtracted from gross pay.
A store receives a 15% discount on a $2,000 order. How much is the discount?
0.15 × 2000 = $300.
What is the final price after a 15% discount on a $2,000 order?
$2,000 − $300 = $1,700.
Is 25% of 80 the same as 80% of 25? Explain.
Yes. Both equal 20 because multiplication is commutative.
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Define unit rate.
A rate with a denominator of 1 unit.
A truck travels 360 miles in 6 hours. What is its unit rate?
360 ÷ 6 = 60 miles per hour.
Distance = Rate × ______.
Time.
A forklift travels at 8 mph for 2.5 hours. How far does it travel?
8 × 2.5 = 20 miles.
What is the area of a rectangle measuring 14 ft by 9 ft?
Area = 14 × 9 = 126 square feet.
Define perimeter.
Total distance around a figure.
What is the perimeter of a rectangle 12 ft long and 8 ft wide?
2(12 + 8) = 40 feet.
A storage room measures 20 ft by 15 ft. How many square feet of flooring are needed?
20 × 15 = 300 sq ft.
Define volume.
Amount of three-dimensional space an object occupies.
What is the volume of a box measuring 4 ft × 3 ft × 2 ft?
4 × 3 × 2 = 24 cubic feet.
A tank contains 120 gallons and uses 15 gallons per hour. How long before empty?
120 ÷ 15 = 8 hours.
Multiplying any number by zero leaves the number unchanged. Explain.
False. Any number multiplied by zero equals zero.
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