Ratio and proportion

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  • Ratio and proportion
    • Ratio is a way in which quantitities can be divided + shared.
    • A proportion is an equation showing two ratios are equal.
    • Two quantities are in direct proportion when they increase/ decrease in the same ratio
    • There are 2 ways to write a ratio 2:3 2/3
      • A ratio is a comparison of 2 quantities.
        • The quantities X and Y in a ratio are called terms
    • Direct proportion increase or decrease in the same ratio.
    • Two quantities are in direct proportion when they increase/ decrease.

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