A certain rectangular window is (1/3) times as long as it is wide. If its perimeter is 28 feet, what are its dimensions in terms of length by width?
Choose the correct option
A) 12 by 2	B) 11 by 3	C) 10.5 by 3.5	D) 10 by 4	E) 9 by 3
2x+2y=28   x+y=14   x+(1/3)x=14   4x=14*3   x=10.5   Answer 10.5 by 3.5
<result>C</result>
A certain rectangular window is (1/3) times as long as it is wide. If its perimeter is 28 feet, what are its dimensions in terms of length by width?