If A:B:C = 2:3:4, then find AB:BC:CA	Choose the correct answer:
A) 5:9:24	B) 6:9:24	C) 7:9:24	D) 8:9:24	E) None of these
Explanation:   Let A = 2x, B = 3x, C = 4x, then,   AB=2x3x=23BC=3x4x=34CA=4x2x=21=&gt;AB:BC:CA=23:34:21=8:9:24   Answer: 8:9:24
<result>D</result>
If A:B:C = 2:3:4, then find AB:BC:CA