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SAT Math: Ratios, Rates, and Percents (Drill 3)

Drill 3 · Math · Ratios, Rates, and Percents

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About This Drill

SAT Math: Ratios, Rates, and Percents (Drill 3) is a Math practice drill covering Ratios, Rates, and Percents. It contains 5 original questions created by Brian Stewart, a Barron's test prep author with over 20 years of tutoring experience.

SAT ratio, rate, and percent questions test proportional reasoning, multi-step percent calculations, unit conversions using dimensional analysis, combined work rates, and applying percent concepts to real-world scenarios involving markups, discounts, and compound changes.

Questions in This Drill

  1. A shirt originally priced at $60 is marked up by 25%, then the new price is discounted by 20%. What is the final price?
  2. Machine A produces 120 widgets per hour and Machine B produces 80 widgets per hour. Working together, how many minutes will it take them to produce 500 widgets?
  3. The ratio of boys to girls in a class is 3:5. If there are 40 students total, how many are boys?
  4. A car travels 240 miles on 8 gallons of gas. At this rate, how many gallons are needed for a 450-mile trip?
  5. A town's population decreased from 25,000 to 22,000. What is the percent decrease?