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ASVAB Mathematics — practice by topic

Browse 40 questions across 2 Mathematics topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Mathematics topics

Percents (21)Solving Linear Equations and Inequalities (19)

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A lunch bill comes to $14.40 and the customer wants to leave a 15% tip. How much should the tip be?Read the answer and worked solution →A worker has 12% of every paycheck deposited straight into savings. The latest paycheck was $2,165. How much went into savings?Read the answer and worked solution →A tenant earns $3,000 per month and pays $750 a month in rent. What percent of the monthly pay goes to rent?Read the answer and worked solution →A packaged brownie is listed at 190 calories, with 70 of those calories from fat. To the nearest whole percent, what percent of the calories come from fat?Read the answer and worked solution →

Worked practice questions

A lunch bill comes to $14.40 and the customer wants to leave a 15% tip. How much should the tip be?

  1. $2.16
  2. $1.44
  3. $2.88
  4. $2.06
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Correct answer: A. $2.16

1. Change 15% to a decimal: 0.15. 2. Multiply the decimal by the bill: 0.15 x 14.40. 3. This gives 2.16, so the tip should be $2.16. 4. $1.44 is a 10% tip and $2.88 is a 20% tip, so neither matches the 15% asked for. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 6 "Percents", section 6.2 Solve General Applications of Percent_

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A worker has 12% of every paycheck deposited straight into savings. The latest paycheck was $2,165. How much went into savings?

  1. $216.50
  2. $259.80
  3. $249.80
  4. $269.80
Show answer and solution

Correct answer: B. $259.80

1. Change 12% to a decimal: 0.12. 2. Multiply the decimal by the paycheck: 0.12 x 2,165. 3. This gives 259.80, so $259.80 went into savings. 4. $216.50 is only 10% of the paycheck, the slip that comes from moving the decimal point without using the actual rate. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 6 "Percents", section 6.2 Solve General Applications of Percent_

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A tenant earns $3,000 per month and pays $750 a month in rent. What percent of the monthly pay goes to rent?

  1. 20%
  2. 22%
  3. 25%
  4. 30%
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Correct answer: C. 25%

1. The rent is the part and the monthly pay is the whole. 2. Divide the part by the whole: 750 divided by 3,000. 3. This gives 0.25. 4. Move the decimal point two places to the right and add a percent sign: 25%. 5. 30% would be $900 of rent and 20% would be $600, so both fail a quick check against the actual $750. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 6 "Percents", section 6.2 Solve General Applications of Percent_

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