Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 9 - Basic Algebra - Mixed Review Exercises - Page 700: 26

Answer

There are $435$ Representatives and $100$ Senators.

Work Step by Step

Let $x$ be the number of Representatives Let $y$ be the number of Senators Solving the problem $$(1)x = 5y - 65$$ $$(2)x + y = 535$$ Substituting (1) in (2) $$5y-65+y = 535$$ $$6y = 535+65 = 600$$ $$y = \frac{600}{6} = 100$$ Solving or $x$ $$x = 5*100 - 65 = 500 - 65 = 435$$
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