# Chapter 1 - Foundations for Algebra - Chapter Review - 1-1 Variables and Expressions - Page 69: 13

Thirty-one less than a number $r$.

#### Work Step by Step

31 is being subtracted from $r$. Subtracting 31 can be translated as " 31 less than." Thus, the translation of the given expression is: "Thirty-one less than a number $r$."

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