Lesson 1 - Scottsbluff Public Schools / Homepage

A model airplane is built at a scale of 1 to 72. If the model plane is 8 inches long, how many feet long is the actual airplane? Solution. 48 feet. The actual airplane is 72 times the length of the model. 8⋅72=576. 576 inches is 48 feet, as 576÷12=48. Problem 4 (from Unit 1, … ................
................