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y varies jointly as x and z. y = 40 when x = 5 and z= 4. Find y when x = 8 and z = 5. y =

y varies jointly as x and z. y = 40 when x = 5 and z= 4. Find y when x = 8 and z = 5. y =

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.5: Multiplication With The Addition-or-subtraction Method
Problem 7MRE
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y varies jointly as x and z. y = 40 when x = 5 and z= 4. Find y when x = 8 and z = 5. y =
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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