# Chapters 1-8 - Cumulative Review Exercises - Page 622: 31

$3.4$ meters of yarn

#### Work Step by Step

We convert 85 cm to meters (100 cm=1 meter): $\displaystyle 85~cm*\frac{1~m}{100~cm}=0.85~m$ A square-shaped pillow will have 4 corners, so she will need 4 tassels: $4*0.85=3.4$ meters of yarn

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