I need Help with a Math Problem. PLEaSE HELP!!?

Question

Mr. Green grows several varieties of tomatoes in a rectangular garden. He used fencing to divide the garden into 36 squares that are 1m by 1m. He also puts fencing around the perimeter of the garden. What is the smallest length of fencing that Mr. Green Needs???

Please when answering, give me all the steps you have used to complete the problem. THANKS

Answer 1

To divide the square into 36 squares (6 x 6) you need 7 vertical fences and 7 horizontal fences. Each fence will be 6m long. (Note you might think 6 fences, but you need 6 spaces, which means *7* fences).

So vertically:
7 x 6m = 42 m

Horizontally:
7 x 6m = 42 m

Altogether:
42m + 42m = 84m

Another equal way to figure it out is:

Inside you will have 5 vertical fences (6m) and 5 horizontal fences (6m) for a total of 60 m. Then around the perimeter you have 4 fences (6m) for another 24 m. That's a total of 84m.

Fortunately the answers match, so use whatever method seems more intuitive to you.