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Chapter 1: Q33. (page 64)

Evaluate each expression using properties of numbers. Name the property used in each step.

725+5+235

Short Answer

Expert verified

The value of the given expression is 15.

Step by step solution

01

Step 1. Commutative property of addition.

If aand btwo integers thena+b=b+a

02

Step 2. Application of commutative property of addition.

725+5+235=375+5+135Convertingtomixedfraction=37+135+5Lawofadditionoffration

03

Step 3. Simplifying the expression.

37+135+5=505+5Substitution=10+5Substitution=15Substitution

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