Write an Equation to Describe the Variation $s$ Varies Directly As $t$

question 57

Multiple Choice

Write an equation to describe the variation. Use k for the constant of proportionality.
- $s$ varies directly as $t$ and inversely as $u$ .

• A) \(s = \frac { k t } { u }\)
• B) \(s = \frac { k u } { t }\)
• C) \(\mathrm { s } + \mathrm { t } - \mathrm { u } = \mathrm { k }\)
• D) \(s t u = k\)

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