I need some guidance and help with this word problem.  You expand a rectangular rectangle 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 a expression that represents the perimeter of the old garden. (b) write an expression that represents the area of the old garden.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.4: Special Products
Problem 55PPS
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I need some guidance and help with this word problem. 

You expand a rectangular rectangle 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 a expression that represents the perimeter of the old garden. (b) write an expression that represents the area of the old garden.

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