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Quantitative Literacy Ratio and Percentage Flashcards

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

Read the first 8 Quantitative Literacy Ratio and Percentage flashcards as text

  1. A recipe uses flour and sugar in the ratio 3:1. If you use 600g of flour, how much sugar do you need?

    Answer: 200g

    The ratio 3:1 means sugar is one third of the flour. 600 / 3 = 200g of sugar.

  2. A jacket costs R800 and is discounted by 25%. What is the sale price?

    Answer: R600

    25% of R800 = R200 discount. Sale price = 800 - 200 = R600.

  3. A class has 18 girls and 12 boys. What is the ratio of girls to boys in simplest form?

    Answer: 3:2

    18:12 divides by 6 to give 3:2, the simplest form of the ratio of girls to boys.

  4. A learner scored 36 out of 45 on a test. What is this as a percentage?

    Answer: 80%

    36 / 45 = 0.8, which is 80%.

  5. A R1 200 deposit earns 8% simple interest in one year. How much interest is earned?

    Answer: R96

    8% of R1 200 = 0.08 x 1 200 = R96 interest.

  6. Petrol increases from R20 to R23 per litre. What is the percentage increase?

    Answer: 15%

    Increase = R3 on R20. 3 / 20 = 0.15 = 15% increase.

  7. Two friends share R450 in the ratio 5:4. How much does the friend with the larger share receive?

    Answer: R250

    Total parts = 5 + 4 = 9. Each part = 450 / 9 = R50. The larger share is 5 x 50 = R250.

  8. If 60% of a number is 90, what is the number?

    Answer: 150

    If 60% = 90, then 1% = 1.5, so 100% = 150. The number is 150.