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 495E: If y varies directly as x and y=5, when x=3 ., find the equation that relates x and y.
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Transcribed Image Text:y varies jointly as x and z. y = 40 when x = 5 and z= 4. Find y when x = 8 and z = 5.
y =
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