SOLUTION: A rectangular field is 30 feet wide and 50 feet long. Fence post are to be placed every 10 feet around the field. How many posts are needed?

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Question 566272: A rectangular field is 30 feet wide and 50 feet long. Fence post are to be placed every 10 feet around the field. How many posts are needed?
Answer by ad_alta(240) About Me  (Show Source):
You can put this solution on YOUR website!
Place one in each of the four corners. Then you will need two more on each of the 30 ft sides. Also, you will need four more on each of the 50 ft sides. That gives 16 posts total.