If A:B=4:7 AND B:C=5:9,THEN A:C=? Choices
A) 28:37	B) 18:37	C) 16:53	D) 20:63	E) 15:48
A/B=4/7 AN20:63 B/c=5/9   A/B*B/C=4/7*5/9=20/63   SO A/C=20/63   20:63   ANSWER 20:63
<result>D</result>
If A:B=4:7 AND B:C=5:9,THEN A:C=?