At the end of the year a math teacher decides to survey his students to determine what they liked best about his class he uses his first period class as his sample is the sample is biased or unbiased

The length of a rectangular board is 3 feet less than twice its width. a second rectangular board is such that each of its dimensions is the reciprocal of the corresponding dimensions of the first rectangular board. if the perimeter of the second board is one-fifth the perimeter of the first, what is the perimeter of the first rectangular board?