Answer:
6.06
Step-by-step explanation:
Simple subtraction.
I'm going to put it into decimals because it is easier.
3.5*1.5=5.25 or

Hope that helps
Answer:
$4
Step-by-step explanation:
I tried to make it as simple as possible.
They are all supplementary to each other because supplementary means that they all add up to 180
Let us suppose the width is x feet
the length is given 12 feet
Perimeter of teh garden = 2( Length + width )= 2( 12+ x)
Fencing required = perimeter of garden
36 = 2( 12+x)
36 = 2*12 + 2x
36 = 24 + 2x
36-24 = 2x
12 = 2x
12/2 = x
6 = x
Width = x feet = 6 feet .Answer .