Answer
A
Work Step by Step
Here, we see that we need to have three variables that are added together be set equal to the number 50. Thus, we see that this corresponds to option A.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 8 - Systems of Linear Equations and Problem Solving - 8.5 Solving Applications: Systems of Three Equations - 8.5 Exercise Set - Page 544: 1
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