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Mathematics Flashcards

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

Read the first 7 Mathematics flashcards as text
  1. A storage tank holds 450 gallons when full. If it is currently 2/3 full, how many more gallons are needed to fill it completely?

    Answer: 150 gallons

    2/3 of 450 = 300 gallons already in the tank; 450 − 300 = 150 gallons needed.

  2. Which of the following is equivalent to 3.75 × 10²?

    Answer: 375

    Multiplying by 10² moves the decimal two places to the right: 3.75 → 375.

  3. Solve for x: 4x − 9 = 2x + 7

    Answer: x = 8

    Subtract 2x from both sides: 2x − 9 = 7; add 9: 2x = 16; divide by 2: x = 8.

  4. A rectangle has a length of 14 cm and a width of 6 cm. What is its perimeter?

    Answer: 40 cm

    Perimeter = 2(l + w) = 2(14 + 6) = 2(20) = 40 cm.

  5. If 15% of a number is 45, what is the number?

    Answer: 300

    Let n be the number; 0.15n = 45, so n = 45 ÷ 0.15 = 300.

  6. What is the greatest common factor (GCF) of 48 and 72?

    Answer: 24

    Factors of 48 include 24; factors of 72 include 24; the largest shared factor is 24.

  7. A car travels 240 miles in 4 hours. At the same speed, how long will it take to travel 360 miles?

    Answer: 6 hours

    Speed = 240 ÷ 4 = 60 mph; time = 360 ÷ 60 = 6 hours.