Determine the Constant of Variation for the Stated Condition $y$ Varies Jointly As

question 228

Multiple Choice

Determine the constant of variation for the stated condition.
- $y$ varies jointly as $x$ and $z$ . $y = 7.5$ when $x = 75$ and $z = 10$ . Find $y$ when $x = 55$ and $z = 10$ .

• A) \(5.5\)
• B) 550
• C) 55
• D) 11

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