Chapter 1 - Foundations for Algebra - 1-7 The Distributive Property - Lesson Check - Page 49: 7

$400\times5+90\times5+9\times5$.

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.

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