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Chapter 1: Q 176. (page 40)

The number of girls in a second-grade class is 4 less than the number of boys. Let b represent the number of boys. Write an expression for the number of girls.

Short Answer

Expert verified

The algebraic expression isb-4.

Step by step solution

01

Step 1. Given information. 

4 less than the number of boys

02

Step 2. Substitute b for the number of boys.

4 less than b

03

Step 3. Translate the keyword "4 less than b" and form an algebraic expression.

The algebraic expression isb-4.

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