Answer:
The scale: 1 inches = 5 feet
Step-by-step explanation:
Given:
Actual length of backyard = 75 ft
Model's length = 15 inches
Complete;
The scale: 1 inches = ?
Computation:
The scale = Actual length of backyard / Model's length
The scale = 75 / 15
The scale = 5 ft
So,
The scale: 1 inches = 5 feet