# Chapter 2 - Solving Equations - 2-8 Proportions and Similar Figures - Standardized Test Prep: 32

11 roses

#### Work Step by Step

Substitute for c and solve for r. $50=3r+15$ subtract 15 from both sides $50-15=3r+15-15$ simplify $35=3r$ divide both sides by 3 $35\div3=3r\div3$ $11\frac{2}{3}=r$ You cannot buy part of a rose, so the correct answer is 11.

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