# Chapter 5 - Ratio and Proportion - 5.5 Solving Application Problems with Proportions - 5.5 Exercises - Page 366: 38

45 employees exercise at least 3 times per week

#### Work Step by Step

Determine how many of the employees think it is a good idea to exercise regularly, then determine how many of those actually do exercise regularly. $\frac{9}{10} = \frac{x}{300}$ $10x = 9\times300$ $\frac{10x}{10} = \frac{2700}{10}$ $x = 270$ think it is a good idea to exercise regularly $\frac{1}{6} = \frac{x}{270}$ $6x = 1\times270$ $\frac{6x}{6} = \frac{270}{6}$ $x = 45$ exercise at least 3 times per week

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