I place12 inch rulers end to end along the entire length of a rug they each use 3 rulera about how many feet long ia the rug

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(1) Answers

ramloubax

If you use 3 of the 12 inch rulers, then the rug is 3 * 12 inches long.
There are 12 inches in each foot, so if there are 3 rulers that are 1 foot [12 inches] long, then your answer is 3 feet.