Suppose that y varies directly with x and inversley with Z, and y=28 when x=32 and z=8. Write the equation that models the relationship. Then find y when x=12 and z=3.

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 499E: If p varies directly as q and p=10 , when q=2 . find the equation that relates p and q.
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Suppose that y varies directly with x and inversley with Z, and y=28 when x=32 and z=8. Write the equation that models the relationship. Then find y when x=12 and z=3.

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