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Mathematical Usage Flashcards

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

Read the first 7 Mathematical Usage flashcards as text

  1. The ratio of boys to girls in a class is 3:5. If there are 24 students total, how many are girls?

    Answer: 15

    Total parts = 8; each part = 3 students, so girls = 5 × 3 = 15.

  2. What is 3/8 expressed as a decimal?

    Answer: 0.375

    3 ÷ 8 = 0.375.

  3. A worker earns $18 per hour and works 35 hours. What are the weekly earnings?

    Answer: $630

    18 × 35 = $630.

  4. What is the perimeter of a square with a side length of 9 inches?

    Answer: 36 inches

    Perimeter = 4 × side = 4 × 9 = 36 inches.

  5. If 5 pencils cost $2.00, how much do 8 pencils cost?

    Answer: $3.20

    Each pencil costs $0.40, so 8 × $0.40 = $3.20.

  6. What is the average of 12, 18, 24, and 30?

    Answer: 21

    Sum = 84; 84 ÷ 4 = 21.

  7. Solve: 48 ÷ 6 + 2 × 3.

    Answer: 14

    48 ÷ 6 = 8 and 2 × 3 = 6, so 8 + 6 = 14.