Answer: 0.9
Step-by-step explanation:
Putting a ribbon around a picture ⇒ Looking for perimeter
Given information
Width = 300mmLength = 150mm
Find Perimeter
Perimeter = 2(Length + Width)Perimeter = 2(300 + 150)Perimeter = 2(450)Perimeter = 900mm
Convert mm to m
900mm = 90cm90cm = 0.9m