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Original Question
a post is put every 6 feet along a rectangular fence that is 42 feet long and 36 feet wide. how many posts are needed?Question
A post is put every 6 feet along a rectangular fence that is 42 ft long and 36 ft wide. How many posts are needed?
Answers
Ms. Sue
Is it a rectangular "fence" or a rectangular "field?"
Reiny
sketch a "smaller" rectangle,
e.g. 12ft by 18ft
and put an X every 6 ft
count the X's along each side,
generalize what you need for a 42 by 36 rectangle.
e.g. 12ft by 18ft
and put an X every 6 ft
count the X's along each side,
generalize what you need for a 42 by 36 rectangle.