The Tigers won 12 games last year. This year the Tigers won 20 games. What is the percent increase in the number of games the Tigers won from last year to this year?

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?