Thread:RePeat/@comment-1693968-20140305220535/@comment-5112967-20140307035631

RePeat wrote: The brigantine was sailing at full speed. He was 30 miles at sea when Lord Nelson began to give chase at twice the speed of the brigantine. If Lord Nelson caught up in six hours, what was the brigantine's speed? Ohh Found it. I remember these problems... So simple that you forget how to do them a couple years down the road... Erm... Hmm.

Speed of brigantine = S mph

Distance of brigantine = 30 + D miles

Time of brigantine = 6 hours

Speed of Nelson = 2S mph

Distance of Nelson = Distance of Brigantine

Time of Nelson = 6 hours

D=RT             30 + D = 2S(6)              30 + D = 12S               D = 12 S - 30  (distance of Nelson)

(distance of brigantine)     D=RT          30 + D = S(6)          30 + 12S - 30 = 6S

ANNNNNNNNNNNNNNNNNNNND. I DID SOMETHING WRONG. ... I'll have to think on this and do it on paper.