Answer
$400\times5+90\times5+9\times5$.
Work Step by Step
Expand 499 to get $499=400+90+9$. Then use the distributive property:
$5(400+90+9)=5\times400+5\times90+5\times9$
This way it is much easier to solve the equation.
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 1 - Foundations for Algebra - 1-7 The Distributive Property - Lesson Check - Page 49: 7
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