16 feet perimeter 5 feet long what is the width
P=2L+2WL=LengthW=WidthP=Perimeter=16So you have:16=2×5+2w Multiply 2 and 5 and get:16=10+2wSubtract 10 from both sides and get:6=2wDivide by 2 and get:3=WThe width is 3.