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## 3psilon 3 years ago p = ks and k is a constant s = nt and n is a constant How is p directly proportional to t? I don't get it

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1. 3psilon

@kropot72

2. 3psilon

The answer is in the title I just don't understand why it's that

3. Arcturas

Just substitute for s in the first equation.

4. kropot72

$p=k \times n \times t$ But k and n are constants. Therefore k * n is also a constant.

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