SOLUTION: If w is jointly proportional to u and v, and w=24 when u=0.8 and v=5, for what value of u will w=18 when v=2?

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Question 196977This question is from textbook Algebra & Trigonometry
: If w is jointly proportional to u and v, and w=24 when u=0.8 and v=5, for what value of u will w=18 when v=2? This question is from textbook Algebra & Trigonometry

Answer by solver91311(24713) About Me  (Show Source):
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w jointly proportional to u and v means:



Substitute the given values:



Now solve for the value of k

Once you have a value for k, substitute that value and the given values for w and v to solve for u.

John