A.) 90°

B.) 180°

C.) 240°

D.) 270°

E.) 400°

**Set up a proportion.**

The restaurant rotated 180° in 45 minutes. You need to find how many degrees it would rotate in 60 minutes.

180° x°

-------------- = -------------- {set up a proportion}

45 minutes 60 minutes

10,800 = 45x {cross-multiplied}

x = 240 {divided each side by 45}

**C.) 240°**

*- Algebra House*