Joan arlington has twice as much money invested at 5% simple annual interest as she does at 4%. if her yearly income from the two investments is $266, how much does she have at each rate?

Step by step explanation pls for 10 pts 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?