A.) 9

B.) 20

C.) 24

D.) 30

E.) 45

**Set up a proportion:**

4 inches x feet

------------ = ----------- {short side over long side in scale equals short side over long side in actual}

6 inches 30 feet

6x = 120 {cross-multiplied}

x = 20 {divided each side by 6}

20 feet is the shorter side

**B.) 20**

*- Algebra House*