# Chapter 1 - Section 1.7 - Multiplication and Division of Real Numbers - Exercise Set: 142

$\frac{40}{x+40}$

#### Work Step by Step

Since there are forty women in the room and we want the fraction of women, 40 must be the numerator. Then the total people in the room must be the sum of men and women. This can be written as x+40, which will be the denominator. The result is $\frac{40}{x+40}$

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