Answer: 60 ft
Step-by-step explanation:
Given
The perimeter of the garden is 
The width of the garden is 
Suppose the length of the garden is 
Perimeter is the sum of the lengths of the sides

So, the length of the garden is
Answer:
x+9/x+1
Step-by-step explanation:
Since the denominator is the same, just add the numerator while keeping the denominator the same.
Answer:
infinite number of solutions
Step-by-step explanation:
x+y=1
3y=-3x+3 ⇒ y=-x+1 ⇒ y+x=1
both equations are the same, so they have infinite number of solutions
20.4117 kilograms is the answer