HELP You expand a rectangular garden so the perimeter is now twice the perimeter of the old garden. The expression 12w+16 represents the perimeter of the new garden, where w represents the width of the old garden. a. Write an expression that represents the perimeter of the old garden.

b. Write an expression that represents the area of the old garden.

You'll get mark as brainlist

a) Perimeter of old garden=6w+8

b) A = 2W^2+4W

Step-by-step explanation:

old Area = length * width

= L * W

the old perimeter = half of the new one, so it is 6w+8

the old perimeter has to equal 2L + 2W

2L+2W=6W+8

2L=4W+8

L=2W+4

Area=L*W

so

A=(2W+4)(W)

=2W^2+4W

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step-by-step explanation:

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