Answer
See below.
Work Step by Step
Assume Tom pays $2x$, then Judy pays $3x$. Thus in total they pay $2x+3x=5x=18\\x=3.6$.
Thus Tom pays $7.2$, Judy pays $10.8$.
College Algebra (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0321979478
ISBN 13:
978-0-32197-947-6
Chapter 1 - Section 1.1 - Linear Equations - 1.1 Assess Your Understanding - Page 92: 99
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