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 choice from the following choices.
A) 12 by 2	B) 11 by 3	C) 10.5 by 3.5	D) 10 by 4	E) 9 by 3

Rationale: 2 x + 2 y = 28 x + y = 14 x + ( 1 / 3 ) x = 14 4 x = 14 * 3 x = 10.5 answer c
Answer: C