SOLUTION: The outside dimension of a rectangular flower bed including the pathway are 72 cm by 108 cm. If the area of the flower bed excluding the pathway is 6400 cm² and the pathway has uni

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Question 883119: The outside dimension of a rectangular flower bed including the pathway are 72 cm by 108 cm. If the area of the flower bed excluding the pathway is 6400 cm² and the pathway has uniform width, how wide is the pathway.
Answer by josgarithmetic(39615) About Me  (Show Source):
You can put this solution on YOUR website!
x = the width of the pathway
Flower bed = 72%2A108
Flower bed without the pathway = %2872-2x%29%28108-2x%29=6400

Solve for x.
This now relies just on arithmetic, or algebra steps. Say if you have difficulties.