Since the area of any thing is length time width, we can divide 4864 by 152 to get the width of the garden. This gives us 32. Now we need to add 152 + 152 + 32 + 32 to get our total feet of fencing necessary. This would give us 368 feet of fencing.
In exercise 3 (2,6) means that x=2 and y=6 so you have to check that if this values of x and y satisfied the given equation, by showing that the left hand side = the right hand side ..
