Direct Proportion - GCSE Maths - Steps, Examples & Worksheet
https://thirdspacelearning.com/gcse-maths/ratio-and-proportion/direct-proportion/
WEBThe symbol \textbf {∝} ∝ represents a proportional relationship. If y y is directly proportional to x, x, we can write this relationship as: \bf {y\propto {x}} y ∝ x. Direct proportion is useful in numerous real life situations such as exchange rates, conversion between units, and fuel prices. What is direct proportion? Direct proportion formula.
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