In 1937, the ship of the great sailor SINBAD left an Egyptian port heading Ivory coast at Q mile/month .
One month later another ship of the greatest pirate ever CHENG I SAO was 5000 miles due south of the same Egyptian port and heading due north at Y miles/month. Six months later after the leaving of Sinbad’s ship from Egyptian port, how far apart were the ships? [Ivory coast is in the west of Egypt]	Choose the correct choice
A) { (6Q)^2 + (5000-5y)^2 }^1/2  B) { (36x)^2 + (5000-7y)^2 }^1/2  C) { (16x)^2 + (5000-7y)^2 }^1/2  D) { (7x)^2 + (5200-7y)^2 }^1/2  E) { (2x)^2 + (300-7y)^2 }^1/2
The chinese ship sailed for 5 months i.e. 5Y miles @Y miles/month, therefore distance from Egyptian port is 5000-5Y. Since { (6Q)^2 + (5000-5y)^2 }^1/2 is the only option with this value ...therefore { (6Q)^2 + (5000-5y)^2 }^1/2 is the answer
<result>A</result>
In 1937, the ship of the great sailor SINBAD left an Egyptian port heading Ivory coast at Q mile/month .
One month later another ship of the greatest pirate ever CHENG I SAO was 5000 miles due south of the same Egyptian port and heading due north at Y miles/month. Six months later after the leaving of Sinbad’s ship from Egyptian port, how far apart were the ships? [Ivory coast is in the west of Egypt]