ACT 2019 April(B04) Math Question 3 Explanation - ACT Helper

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2019 April(B04) Math Question 3
Algebraic & Function Expressions
- Write Function Expressions
Choice B
The rate of leaking water is 4 gallons per minute.
$∵ T h e r a t e o f l e a k i n g w a t e r i s 4 g a l l o n s p e r m i n u t e .$ $A f t e r t m i n u t e s \Rightarrow 4 \times t$ $\Rightarrow G (t) = 200 - 4 t$
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