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Percentages Ratios and Proportions Flashcards

8 cards from real Bluebook SAT Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 8 Percentages Ratios and Proportions flashcards as text

  1. On a map, 1 inch represents 50 miles. If two cities are 3.5 inches apart on the map, what is the actual distance?

    Answer: 175 miles

    Distance = 3.5 × 50 = 175 miles.

  2. A student scored 45 out of 60 on a test. What percentage did the student score?

    Answer: 75%

    Percentage = (45/60) × 100 = 0.75 × 100 = 75%.

  3. The ratio of red to blue marbles is 4:7. There are 77 marbles total. How many are red?

    Answer: 28

    Total parts = 4+7 = 11. Red = (4/11) × 77 = 28.

  4. After a 20% increase, a salary becomes $48,000. What was the original salary?

    Answer: $40,000

    Original × 1.20 = 48,000 → Original = 48,000/1.20 = $40,000.

  5. If x:y = 5:8 and y = 40, what is x?

    Answer: 25

    5/8 = x/40 → x = 5 × 40/8 = 25.

  6. A store charges a 8% sales tax. If an item costs $25, what is the total price with tax?

    Answer: $27.00

    Tax = 8% × $25 = $2.00. Total = $25 + $2.00 = $27.00.

  7. A machine produces 120 items in 4 hours. At this rate, how many items does it produce in 9 hours?

    Answer: 270

    Rate = 120/4 = 30 items/hour. In 9 hours: 30 × 9 = 270 items.

  8. What number is 60% of 150?

    Answer: 90

    60% × 150 = 0.60 × 150 = 90.